Home / 15,101.78-22,629.57-6,331.91

Finding the Fourth Proportional to 15,101.78, 22,629.57 and 6,331.91

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Solution

The fourth proportional to 15,101.78, 22,629.57 and 6,331.91 is: 9,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.78 : 22,629.57 = 6,331.91 : x
  2. Step 2: Convert to fraction form
    15,101.78/22,629.57 = 6,331.91/x
  3. Step 3: Cross multiply
    15,101.78x = 22,629.57 × 6,331.91
  4. Step 4: Simplify right side
    15,101.78x = 143,288,400.58
  5. Step 5: Solve for x
    x = 143,288,400.58/15,101.78
  6. Step 6: Final answer
    x = 9,488.18

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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.