Home / 26,656.48-39,951.12-13,512.16

Finding the Fourth Proportional to 26,656.48, 39,951.12 and 13,512.16

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Solution

The fourth proportional to 26,656.48, 39,951.12 and 13,512.16 is: 20,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.48 : 39,951.12 = 13,512.16 : x
  2. Step 2: Convert to fraction form
    26,656.48/39,951.12 = 13,512.16/x
  3. Step 3: Cross multiply
    26,656.48x = 39,951.12 × 13,512.16
  4. Step 4: Simplify right side
    26,656.48x = 539,825,925.62
  5. Step 5: Solve for x
    x = 539,825,925.62/26,656.48
  6. Step 6: Final answer
    x = 20,251.21

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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.