Home / 42,449.61-63,634.82-14,350.13

Finding the Fourth Proportional to 42,449.61, 63,634.82 and 14,350.13

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Solution

The fourth proportional to 42,449.61, 63,634.82 and 14,350.13 is: 21,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.61 : 63,634.82 = 14,350.13 : x
  2. Step 2: Convert to fraction form
    42,449.61/63,634.82 = 14,350.13/x
  3. Step 3: Cross multiply
    42,449.61x = 63,634.82 × 14,350.13
  4. Step 4: Simplify right side
    42,449.61x = 913,167,549.60
  5. Step 5: Solve for x
    x = 913,167,549.60/42,449.61
  6. Step 6: Final answer
    x = 21,511.80

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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.