Home / 42,553.12-63,858.84-14,851.12

Finding the Fourth Proportional to 42,553.12, 63,858.84 and 14,851.12

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Solution

The fourth proportional to 42,553.12, 63,858.84 and 14,851.12 is: 22,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,553.12 : 63,858.84 = 14,851.12 : x
  2. Step 2: Convert to fraction form
    42,553.12/63,858.84 = 14,851.12/x
  3. Step 3: Cross multiply
    42,553.12x = 63,858.84 × 14,851.12
  4. Step 4: Simplify right side
    42,553.12x = 948,375,295.90
  5. Step 5: Solve for x
    x = 948,375,295.90/42,553.12
  6. Step 6: Final answer
    x = 22,286.86

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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.