Home / 26,481.60-36,542.16-15,148.80

Finding the Fourth Proportional to 26,481.60, 36,542.16 and 15,148.80

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Solution

The fourth proportional to 26,481.60, 36,542.16 and 15,148.80 is: 20,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.60 : 36,542.16 = 15,148.80 : x
  2. Step 2: Convert to fraction form
    26,481.60/36,542.16 = 15,148.80/x
  3. Step 3: Cross multiply
    26,481.60x = 36,542.16 × 15,148.80
  4. Step 4: Simplify right side
    26,481.60x = 553,569,873.41
  5. Step 5: Solve for x
    x = 553,569,873.41/26,481.60
  6. Step 6: Final answer
    x = 20,903.94

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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.