Home / 16,062.68-22,167.11-8,989.16

Finding the Fourth Proportional to 16,062.68, 22,167.11 and 8,989.16

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Solution

The fourth proportional to 16,062.68, 22,167.11 and 8,989.16 is: 12,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.68 : 22,167.11 = 8,989.16 : x
  2. Step 2: Convert to fraction form
    16,062.68/22,167.11 = 8,989.16/x
  3. Step 3: Cross multiply
    16,062.68x = 22,167.11 × 8,989.16
  4. Step 4: Simplify right side
    16,062.68x = 199,263,610.16
  5. Step 5: Solve for x
    x = 199,263,610.16/16,062.68
  6. Step 6: Final answer
    x = 12,405.38

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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.