Home / 22,042.54-30,418.50-11,970.76

Finding the Fourth Proportional to 22,042.54, 30,418.50 and 11,970.76

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Solution

The fourth proportional to 22,042.54, 30,418.50 and 11,970.76 is: 16,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.54 : 30,418.50 = 11,970.76 : x
  2. Step 2: Convert to fraction form
    22,042.54/30,418.50 = 11,970.76/x
  3. Step 3: Cross multiply
    22,042.54x = 30,418.50 × 11,970.76
  4. Step 4: Simplify right side
    22,042.54x = 364,132,563.06
  5. Step 5: Solve for x
    x = 364,132,563.06/22,042.54
  6. Step 6: Final answer
    x = 16,519.54

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Find fourth proportional to 11,021.27, 15,209.25 and 5,985.38
Half scale
Find fourth proportional to 44,085.08, 60,837 and 23,941.52
Double scale
Find fourth proportional to 22,043.54, 30,419.88 and 11,971.76
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.