Home / 25,781.56-35,565.90-16,824.92

Finding the Fourth Proportional to 25,781.56, 35,565.90 and 16,824.92

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Solution

The fourth proportional to 25,781.56, 35,565.90 and 16,824.92 is: 23,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.56 : 35,565.90 = 16,824.92 : x
  2. Step 2: Convert to fraction form
    25,781.56/35,565.90 = 16,824.92/x
  3. Step 3: Cross multiply
    25,781.56x = 35,565.90 × 16,824.92
  4. Step 4: Simplify right side
    25,781.56x = 598,393,422.23
  5. Step 5: Solve for x
    x = 598,393,422.23/25,781.56
  6. Step 6: Final answer
    x = 23,210.13

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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.