Home / 13,753.35-20,630.03-8,854.13

Finding the Fourth Proportional to 13,753.35, 20,630.03 and 8,854.13

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Solution

The fourth proportional to 13,753.35, 20,630.03 and 8,854.13 is: 13,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.35 : 20,630.03 = 8,854.13 : x
  2. Step 2: Convert to fraction form
    13,753.35/20,630.03 = 8,854.13/x
  3. Step 3: Cross multiply
    13,753.35x = 20,630.03 × 8,854.13
  4. Step 4: Simplify right side
    13,753.35x = 182,660,974.83
  5. Step 5: Solve for x
    x = 182,660,974.83/13,753.35
  6. Step 6: Final answer
    x = 13,281.20

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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.