Home / 26,414.48-36,447.36-15,078.80

Finding the Fourth Proportional to 26,414.48, 36,447.36 and 15,078.80

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Solution

The fourth proportional to 26,414.48, 36,447.36 and 15,078.80 is: 20,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.48 : 36,447.36 = 15,078.80 : x
  2. Step 2: Convert to fraction form
    26,414.48/36,447.36 = 15,078.80/x
  3. Step 3: Cross multiply
    26,414.48x = 36,447.36 × 15,078.80
  4. Step 4: Simplify right side
    26,414.48x = 549,582,451.97
  5. Step 5: Solve for x
    x = 549,582,451.97/26,414.48
  6. Step 6: Final answer
    x = 20,806.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.