Home / 42,616.80-63,925.11-11,452.05

Finding the Fourth Proportional to 42,616.80, 63,925.11 and 11,452.05

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Solution

The fourth proportional to 42,616.80, 63,925.11 and 11,452.05 is: 17,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.80 : 63,925.11 = 11,452.05 : x
  2. Step 2: Convert to fraction form
    42,616.80/63,925.11 = 11,452.05/x
  3. Step 3: Cross multiply
    42,616.80x = 63,925.11 × 11,452.05
  4. Step 4: Simplify right side
    42,616.80x = 732,073,555.98
  5. Step 5: Solve for x
    x = 732,073,555.98/42,616.80
  6. Step 6: Final answer
    x = 17,178.05

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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.