Home / 42,520.04-63,780.66-14,818.04

Finding the Fourth Proportional to 42,520.04, 63,780.66 and 14,818.04

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Solution

The fourth proportional to 42,520.04, 63,780.66 and 14,818.04 is: 22,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.04 : 63,780.66 = 14,818.04 : x
  2. Step 2: Convert to fraction form
    42,520.04/63,780.66 = 14,818.04/x
  3. Step 3: Cross multiply
    42,520.04x = 63,780.66 × 14,818.04
  4. Step 4: Simplify right side
    42,520.04x = 945,104,052.20
  5. Step 5: Solve for x
    x = 945,104,052.20/42,520.04
  6. Step 6: Final answer
    x = 22,227.26

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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.