Home / 14,129.60-21,194.40-8,593.80

Finding the Fourth Proportional to 14,129.60, 21,194.40 and 8,593.80

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Solution

The fourth proportional to 14,129.60, 21,194.40 and 8,593.80 is: 12,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.60 : 21,194.40 = 8,593.80 : x
  2. Step 2: Convert to fraction form
    14,129.60/21,194.40 = 8,593.80/x
  3. Step 3: Cross multiply
    14,129.60x = 21,194.40 × 8,593.80
  4. Step 4: Simplify right side
    14,129.60x = 182,140,434.72
  5. Step 5: Solve for x
    x = 182,140,434.72/14,129.60
  6. Step 6: Final answer
    x = 12,890.70

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Double scale
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Similar ratio
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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.