Home / 14,542.66-20,069.52-8,255.62

Finding the Fourth Proportional to 14,542.66, 20,069.52 and 8,255.62

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Solution

The fourth proportional to 14,542.66, 20,069.52 and 8,255.62 is: 11,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.66 : 20,069.52 = 8,255.62 : x
  2. Step 2: Convert to fraction form
    14,542.66/20,069.52 = 8,255.62/x
  3. Step 3: Cross multiply
    14,542.66x = 20,069.52 × 8,255.62
  4. Step 4: Simplify right side
    14,542.66x = 165,686,330.70
  5. Step 5: Solve for x
    x = 165,686,330.70/14,542.66
  6. Step 6: Final answer
    x = 11,393.12

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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.