Home / 23,781.32-32,817.12-13,711.56

Finding the Fourth Proportional to 23,781.32, 32,817.12 and 13,711.56

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Solution

The fourth proportional to 23,781.32, 32,817.12 and 13,711.56 is: 18,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.32 : 32,817.12 = 13,711.56 : x
  2. Step 2: Convert to fraction form
    23,781.32/32,817.12 = 13,711.56/x
  3. Step 3: Cross multiply
    23,781.32x = 32,817.12 × 13,711.56
  4. Step 4: Simplify right side
    23,781.32x = 449,973,909.91
  5. Step 5: Solve for x
    x = 449,973,909.91/23,781.32
  6. Step 6: Final answer
    x = 18,921.32

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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.