Home / 25,141.38-37,711.48-12,658.04

Finding the Fourth Proportional to 25,141.38, 37,711.48 and 12,658.04

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Solution

The fourth proportional to 25,141.38, 37,711.48 and 12,658.04 is: 18,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.38 : 37,711.48 = 12,658.04 : x
  2. Step 2: Convert to fraction form
    25,141.38/37,711.48 = 12,658.04/x
  3. Step 3: Cross multiply
    25,141.38x = 37,711.48 × 12,658.04
  4. Step 4: Simplify right side
    25,141.38x = 477,353,422.30
  5. Step 5: Solve for x
    x = 477,353,422.30/25,141.38
  6. Step 6: Final answer
    x = 18,986.76

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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.