Home / 16,917.20-23,345.40-10,540.60

Finding the Fourth Proportional to 16,917.20, 23,345.40 and 10,540.60

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Solution

The fourth proportional to 16,917.20, 23,345.40 and 10,540.60 is: 14,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.20 : 23,345.40 = 10,540.60 : x
  2. Step 2: Convert to fraction form
    16,917.20/23,345.40 = 10,540.60/x
  3. Step 3: Cross multiply
    16,917.20x = 23,345.40 × 10,540.60
  4. Step 4: Simplify right side
    16,917.20x = 246,074,523.24
  5. Step 5: Solve for x
    x = 246,074,523.24/16,917.20
  6. Step 6: Final answer
    x = 14,545.82

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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.