Home / 15,153.96-22,734.51-4,765.71

Finding the Fourth Proportional to 15,153.96, 22,734.51 and 4,765.71

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Solution

The fourth proportional to 15,153.96, 22,734.51 and 4,765.71 is: 7,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.96 : 22,734.51 = 4,765.71 : x
  2. Step 2: Convert to fraction form
    15,153.96/22,734.51 = 4,765.71/x
  3. Step 3: Cross multiply
    15,153.96x = 22,734.51 × 4,765.71
  4. Step 4: Simplify right side
    15,153.96x = 108,346,081.65
  5. Step 5: Solve for x
    x = 108,346,081.65/15,153.96
  6. Step 6: Final answer
    x = 7,149.69

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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.