Home / 16,062.72-22,166.60-8,989.14

Finding the Fourth Proportional to 16,062.72, 22,166.60 and 8,989.14

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Solution

The fourth proportional to 16,062.72, 22,166.60 and 8,989.14 is: 12,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.72 : 22,166.60 = 8,989.14 : x
  2. Step 2: Convert to fraction form
    16,062.72/22,166.60 = 8,989.14/x
  3. Step 3: Cross multiply
    16,062.72x = 22,166.60 × 8,989.14
  4. Step 4: Simplify right side
    16,062.72x = 199,258,708.90
  5. Step 5: Solve for x
    x = 199,258,708.90/16,062.72
  6. Step 6: Final answer
    x = 12,405.04

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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.