Home / 23,755.41-32,781.98-13,145.04

Finding the Fourth Proportional to 23,755.41, 32,781.98 and 13,145.04

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Solution

The fourth proportional to 23,755.41, 32,781.98 and 13,145.04 is: 18,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.41 : 32,781.98 = 13,145.04 : x
  2. Step 2: Convert to fraction form
    23,755.41/32,781.98 = 13,145.04/x
  3. Step 3: Cross multiply
    23,755.41x = 32,781.98 × 13,145.04
  4. Step 4: Simplify right side
    23,755.41x = 430,920,471.24
  5. Step 5: Solve for x
    x = 430,920,471.24/23,755.41
  6. Step 6: Final answer
    x = 18,139.89

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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.