Home / 14,691.52-20,273.25-8,316.28

Finding the Fourth Proportional to 14,691.52, 20,273.25 and 8,316.28

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Solution

The fourth proportional to 14,691.52, 20,273.25 and 8,316.28 is: 11,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.52 : 20,273.25 = 8,316.28 : x
  2. Step 2: Convert to fraction form
    14,691.52/20,273.25 = 8,316.28/x
  3. Step 3: Cross multiply
    14,691.52x = 20,273.25 × 8,316.28
  4. Step 4: Simplify right side
    14,691.52x = 168,598,023.51
  5. Step 5: Solve for x
    x = 168,598,023.51/14,691.52
  6. Step 6: Final answer
    x = 11,475.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.