Home / 15,174.09-22,756.68-5,311.53

Finding the Fourth Proportional to 15,174.09, 22,756.68 and 5,311.53

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Solution

The fourth proportional to 15,174.09, 22,756.68 and 5,311.53 is: 7,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.09 : 22,756.68 = 5,311.53 : x
  2. Step 2: Convert to fraction form
    15,174.09/22,756.68 = 5,311.53/x
  3. Step 3: Cross multiply
    15,174.09x = 22,756.68 × 5,311.53
  4. Step 4: Simplify right side
    15,174.09x = 120,872,788.52
  5. Step 5: Solve for x
    x = 120,872,788.52/15,174.09
  6. Step 6: Final answer
    x = 7,965.74

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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.