Home / 63,691.98-95,538.20-19,319.12

Finding the Fourth Proportional to 63,691.98, 95,538.20 and 19,319.12

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Solution

The fourth proportional to 63,691.98, 95,538.20 and 19,319.12 is: 28,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.98 : 95,538.20 = 19,319.12 : x
  2. Step 2: Convert to fraction form
    63,691.98/95,538.20 = 19,319.12/x
  3. Step 3: Cross multiply
    63,691.98x = 95,538.20 × 19,319.12
  4. Step 4: Simplify right side
    63,691.98x = 1,845,713,376.10
  5. Step 5: Solve for x
    x = 1,845,713,376.10/63,691.98
  6. Step 6: Final answer
    x = 28,978.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.