Home / 15,565.13-23,347.89-5,176.88

Finding the Fourth Proportional to 15,565.13, 23,347.89 and 5,176.88

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Solution

The fourth proportional to 15,565.13, 23,347.89 and 5,176.88 is: 7,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.13 : 23,347.89 = 5,176.88 : x
  2. Step 2: Convert to fraction form
    15,565.13/23,347.89 = 5,176.88/x
  3. Step 3: Cross multiply
    15,565.13x = 23,347.89 × 5,176.88
  4. Step 4: Simplify right side
    15,565.13x = 120,869,224.78
  5. Step 5: Solve for x
    x = 120,869,224.78/15,565.13
  6. Step 6: Final answer
    x = 7,765.38

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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.