Home / 26,143.60-39,232.20-14,465.20

Finding the Fourth Proportional to 26,143.60, 39,232.20 and 14,465.20

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Solution

The fourth proportional to 26,143.60, 39,232.20 and 14,465.20 is: 21,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.60 : 39,232.20 = 14,465.20 : x
  2. Step 2: Convert to fraction form
    26,143.60/39,232.20 = 14,465.20/x
  3. Step 3: Cross multiply
    26,143.60x = 39,232.20 × 14,465.20
  4. Step 4: Simplify right side
    26,143.60x = 567,501,619.44
  5. Step 5: Solve for x
    x = 567,501,619.44/26,143.60
  6. Step 6: Final answer
    x = 21,707.10

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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.