Home / 14,691.48-20,275.02-8,404.92

Finding the Fourth Proportional to 14,691.48, 20,275.02 and 8,404.92

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Solution

The fourth proportional to 14,691.48, 20,275.02 and 8,404.92 is: 11,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.48 : 20,275.02 = 8,404.92 : x
  2. Step 2: Convert to fraction form
    14,691.48/20,275.02 = 8,404.92/x
  3. Step 3: Cross multiply
    14,691.48x = 20,275.02 × 8,404.92
  4. Step 4: Simplify right side
    14,691.48x = 170,409,921.10
  5. Step 5: Solve for x
    x = 170,409,921.10/14,691.48
  6. Step 6: Final answer
    x = 11,599.23

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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.