Home / 42,542.62-63,820.85-14,465.18

Finding the Fourth Proportional to 42,542.62, 63,820.85 and 14,465.18

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Solution

The fourth proportional to 42,542.62, 63,820.85 and 14,465.18 is: 21,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.62 : 63,820.85 = 14,465.18 : x
  2. Step 2: Convert to fraction form
    42,542.62/63,820.85 = 14,465.18/x
  3. Step 3: Cross multiply
    42,542.62x = 63,820.85 × 14,465.18
  4. Step 4: Simplify right side
    42,542.62x = 923,180,170.23
  5. Step 5: Solve for x
    x = 923,180,170.23/42,542.62
  6. Step 6: Final answer
    x = 21,700.13

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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.