Home / 26,593.60-39,890.40-18,299.20

Finding the Fourth Proportional to 26,593.60, 39,890.40 and 18,299.20

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Solution

The fourth proportional to 26,593.60, 39,890.40 and 18,299.20 is: 27,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,593.60 : 39,890.40 = 18,299.20 : x
  2. Step 2: Convert to fraction form
    26,593.60/39,890.40 = 18,299.20/x
  3. Step 3: Cross multiply
    26,593.60x = 39,890.40 × 18,299.20
  4. Step 4: Simplify right side
    26,593.60x = 729,962,407.68
  5. Step 5: Solve for x
    x = 729,962,407.68/26,593.60
  6. Step 6: Final answer
    x = 27,448.80

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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.