Home / 42,463.78-63,704.73-14,382.85

Finding the Fourth Proportional to 42,463.78, 63,704.73 and 14,382.85

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Solution

The fourth proportional to 42,463.78, 63,704.73 and 14,382.85 is: 21,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.78 : 63,704.73 = 14,382.85 : x
  2. Step 2: Convert to fraction form
    42,463.78/63,704.73 = 14,382.85/x
  3. Step 3: Cross multiply
    42,463.78x = 63,704.73 × 14,382.85
  4. Step 4: Simplify right side
    42,463.78x = 916,255,575.88
  5. Step 5: Solve for x
    x = 916,255,575.88/42,463.78
  6. Step 6: Final answer
    x = 21,577.34

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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.