Home / 15,168.09-22,747.68-5,305.53

Finding the Fourth Proportional to 15,168.09, 22,747.68 and 5,305.53

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Solution

The fourth proportional to 15,168.09, 22,747.68 and 5,305.53 is: 7,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.09 : 22,747.68 = 5,305.53 : x
  2. Step 2: Convert to fraction form
    15,168.09/22,747.68 = 5,305.53/x
  3. Step 3: Cross multiply
    15,168.09x = 22,747.68 × 5,305.53
  4. Step 4: Simplify right side
    15,168.09x = 120,688,498.67
  5. Step 5: Solve for x
    x = 120,688,498.67/15,168.09
  6. Step 6: Final answer
    x = 7,956.74

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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.