Home / 14,863.31-20,512.28-8,575.69

Finding the Fourth Proportional to 14,863.31, 20,512.28 and 8,575.69

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Solution

The fourth proportional to 14,863.31, 20,512.28 and 8,575.69 is: 11,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.31 : 20,512.28 = 8,575.69 : x
  2. Step 2: Convert to fraction form
    14,863.31/20,512.28 = 8,575.69/x
  3. Step 3: Cross multiply
    14,863.31x = 20,512.28 × 8,575.69
  4. Step 4: Simplify right side
    14,863.31x = 175,906,924.63
  5. Step 5: Solve for x
    x = 175,906,924.63/14,863.31
  6. Step 6: Final answer
    x = 11,834.97

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Half scale
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Double scale
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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.