Home / 26,086.47-39,129.71-12,232.23

Finding the Fourth Proportional to 26,086.47, 39,129.71 and 12,232.23

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Solution

The fourth proportional to 26,086.47, 39,129.71 and 12,232.23 is: 18,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.47 : 39,129.71 = 12,232.23 : x
  2. Step 2: Convert to fraction form
    26,086.47/39,129.71 = 12,232.23/x
  3. Step 3: Cross multiply
    26,086.47x = 39,129.71 × 12,232.23
  4. Step 4: Simplify right side
    26,086.47x = 478,643,551.39
  5. Step 5: Solve for x
    x = 478,643,551.39/26,086.47
  6. Step 6: Final answer
    x = 18,348.35

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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.