Home / 42,432.75-63,649.13-14,730.75

Finding the Fourth Proportional to 42,432.75, 63,649.13 and 14,730.75

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Solution

The fourth proportional to 42,432.75, 63,649.13 and 14,730.75 is: 22,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.75 : 63,649.13 = 14,730.75 : x
  2. Step 2: Convert to fraction form
    42,432.75/63,649.13 = 14,730.75/x
  3. Step 3: Cross multiply
    42,432.75x = 63,649.13 × 14,730.75
  4. Step 4: Simplify right side
    42,432.75x = 937,599,348.09
  5. Step 5: Solve for x
    x = 937,599,348.09/42,432.75
  6. Step 6: Final answer
    x = 22,096.13

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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.