Home / 15,155.60-22,733.40-9,906.80

Finding the Fourth Proportional to 15,155.60, 22,733.40 and 9,906.80

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Solution

The fourth proportional to 15,155.60, 22,733.40 and 9,906.80 is: 14,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.60 : 22,733.40 = 9,906.80 : x
  2. Step 2: Convert to fraction form
    15,155.60/22,733.40 = 9,906.80/x
  3. Step 3: Cross multiply
    15,155.60x = 22,733.40 × 9,906.80
  4. Step 4: Simplify right side
    15,155.60x = 225,215,247.12
  5. Step 5: Solve for x
    x = 225,215,247.12/15,155.60
  6. Step 6: Final answer
    x = 14,860.20

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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.