Home / 42,240.91-63,375.44-14,163.74

Finding the Fourth Proportional to 42,240.91, 63,375.44 and 14,163.74

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Solution

The fourth proportional to 42,240.91, 63,375.44 and 14,163.74 is: 21,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,240.91 : 63,375.44 = 14,163.74 : x
  2. Step 2: Convert to fraction form
    42,240.91/63,375.44 = 14,163.74/x
  3. Step 3: Cross multiply
    42,240.91x = 63,375.44 × 14,163.74
  4. Step 4: Simplify right side
    42,240.91x = 897,633,254.55
  5. Step 5: Solve for x
    x = 897,633,254.55/42,240.91
  6. Step 6: Final answer
    x = 21,250.33

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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.