Home / 24,799.76-34,252.53-20,781.15

Finding the Fourth Proportional to 24,799.76, 34,252.53 and 20,781.15

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Solution

The fourth proportional to 24,799.76, 34,252.53 and 20,781.15 is: 28,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,799.76 : 34,252.53 = 20,781.15 : x
  2. Step 2: Convert to fraction form
    24,799.76/34,252.53 = 20,781.15/x
  3. Step 3: Cross multiply
    24,799.76x = 34,252.53 × 20,781.15
  4. Step 4: Simplify right side
    24,799.76x = 711,806,963.81
  5. Step 5: Solve for x
    x = 711,806,963.81/24,799.76
  6. Step 6: Final answer
    x = 28,702.17

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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.