Home / 15,691.32-23,534.55-5,828.76

Finding the Fourth Proportional to 15,691.32, 23,534.55 and 5,828.76

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Solution

The fourth proportional to 15,691.32, 23,534.55 and 5,828.76 is: 8,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.32 : 23,534.55 = 5,828.76 : x
  2. Step 2: Convert to fraction form
    15,691.32/23,534.55 = 5,828.76/x
  3. Step 3: Cross multiply
    15,691.32x = 23,534.55 × 5,828.76
  4. Step 4: Simplify right side
    15,691.32x = 137,177,243.66
  5. Step 5: Solve for x
    x = 137,177,243.66/15,691.32
  6. Step 6: Final answer
    x = 8,742.24

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1.5x scale

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.