Home / 22,210.02-30,646.35-12,776.76

Finding the Fourth Proportional to 22,210.02, 30,646.35 and 12,776.76

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Solution

The fourth proportional to 22,210.02, 30,646.35 and 12,776.76 is: 17,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.02 : 30,646.35 = 12,776.76 : x
  2. Step 2: Convert to fraction form
    22,210.02/30,646.35 = 12,776.76/x
  3. Step 3: Cross multiply
    22,210.02x = 30,646.35 × 12,776.76
  4. Step 4: Simplify right side
    22,210.02x = 391,561,058.83
  5. Step 5: Solve for x
    x = 391,561,058.83/22,210.02
  6. Step 6: Final answer
    x = 17,629.93

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Find fourth proportional to 11,105.01, 15,323.18 and 6,388.38
Half scale
Find fourth proportional to 44,420.04, 61,292.70 and 25,553.52
Double scale
Find fourth proportional to 22,211.02, 30,647.73 and 12,777.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.