Home / 42,232.04-63,330.24-12,654.08

Finding the Fourth Proportional to 42,232.04, 63,330.24 and 12,654.08

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Solution

The fourth proportional to 42,232.04, 63,330.24 and 12,654.08 is: 18,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,232.04 : 63,330.24 = 12,654.08 : x
  2. Step 2: Convert to fraction form
    42,232.04/63,330.24 = 12,654.08/x
  3. Step 3: Cross multiply
    42,232.04x = 63,330.24 × 12,654.08
  4. Step 4: Simplify right side
    42,232.04x = 801,385,923.38
  5. Step 5: Solve for x
    x = 801,385,923.38/42,232.04
  6. Step 6: Final answer
    x = 18,975.78

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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.