Home / 15,171.48-22,760.28-6,406.38

Finding the Fourth Proportional to 15,171.48, 22,760.28 and 6,406.38

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Solution

The fourth proportional to 15,171.48, 22,760.28 and 6,406.38 is: 9,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.48 : 22,760.28 = 6,406.38 : x
  2. Step 2: Convert to fraction form
    15,171.48/22,760.28 = 6,406.38/x
  3. Step 3: Cross multiply
    15,171.48x = 22,760.28 × 6,406.38
  4. Step 4: Simplify right side
    15,171.48x = 145,811,002.59
  5. Step 5: Solve for x
    x = 145,811,002.59/15,171.48
  6. Step 6: Final answer
    x = 9,610.86

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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.