Home / 15,255.36-22,765.92-15,167.76

Finding the Fourth Proportional to 15,255.36, 22,765.92 and 15,167.76

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Solution

The fourth proportional to 15,255.36, 22,765.92 and 15,167.76 is: 22,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.36 : 22,765.92 = 15,167.76 : x
  2. Step 2: Convert to fraction form
    15,255.36/22,765.92 = 15,167.76/x
  3. Step 3: Cross multiply
    15,255.36x = 22,765.92 × 15,167.76
  4. Step 4: Simplify right side
    15,255.36x = 345,308,010.74
  5. Step 5: Solve for x
    x = 345,308,010.74/15,255.36
  6. Step 6: Final answer
    x = 22,635.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.