Home / 15,175.53-22,764.66-5,176.91

Finding the Fourth Proportional to 15,175.53, 22,764.66 and 5,176.91

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Solution

The fourth proportional to 15,175.53, 22,764.66 and 5,176.91 is: 7,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.53 : 22,764.66 = 5,176.91 : x
  2. Step 2: Convert to fraction form
    15,175.53/22,764.66 = 5,176.91/x
  3. Step 3: Cross multiply
    15,175.53x = 22,764.66 × 5,176.91
  4. Step 4: Simplify right side
    15,175.53x = 117,850,482.18
  5. Step 5: Solve for x
    x = 117,850,482.18/15,175.53
  6. Step 6: Final answer
    x = 7,765.82

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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.