Home / 16,462.20-22,719.48-9,388.56

Finding the Fourth Proportional to 16,462.20, 22,719.48 and 9,388.56

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Solution

The fourth proportional to 16,462.20, 22,719.48 and 9,388.56 is: 12,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,462.20 : 22,719.48 = 9,388.56 : x
  2. Step 2: Convert to fraction form
    16,462.20/22,719.48 = 9,388.56/x
  3. Step 3: Cross multiply
    16,462.20x = 22,719.48 × 9,388.56
  4. Step 4: Simplify right side
    16,462.20x = 213,303,201.15
  5. Step 5: Solve for x
    x = 213,303,201.15/16,462.20
  6. Step 6: Final answer
    x = 12,957.15

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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.