Home / 25,775.91-35,560.13-16,820.19

Finding the Fourth Proportional to 25,775.91, 35,560.13 and 16,820.19

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Solution

The fourth proportional to 25,775.91, 35,560.13 and 16,820.19 is: 23,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.91 : 35,560.13 = 16,820.19 : x
  2. Step 2: Convert to fraction form
    25,775.91/35,560.13 = 16,820.19/x
  3. Step 3: Cross multiply
    25,775.91x = 35,560.13 × 16,820.19
  4. Step 4: Simplify right side
    25,775.91x = 598,128,058.92
  5. Step 5: Solve for x
    x = 598,128,058.92/25,775.91
  6. Step 6: Final answer
    x = 23,204.93

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Half scale
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Double scale
Find fourth proportional to 25,776.91, 35,561.50 and 16,821.19
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.