Home / 16,062.48-22,166.28-8,989.20

Finding the Fourth Proportional to 16,062.48, 22,166.28 and 8,989.20

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Solution

The fourth proportional to 16,062.48, 22,166.28 and 8,989.20 is: 12,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.48 : 22,166.28 = 8,989.20 : x
  2. Step 2: Convert to fraction form
    16,062.48/22,166.28 = 8,989.20/x
  3. Step 3: Cross multiply
    16,062.48x = 22,166.28 × 8,989.20
  4. Step 4: Simplify right side
    16,062.48x = 199,257,124.18
  5. Step 5: Solve for x
    x = 199,257,124.18/16,062.48
  6. Step 6: Final answer
    x = 12,405.13

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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.