Home / 16,122.47-22,249.23-8,855.16

Finding the Fourth Proportional to 16,122.47, 22,249.23 and 8,855.16

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Solution

The fourth proportional to 16,122.47, 22,249.23 and 8,855.16 is: 12,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.47 : 22,249.23 = 8,855.16 : x
  2. Step 2: Convert to fraction form
    16,122.47/22,249.23 = 8,855.16/x
  3. Step 3: Cross multiply
    16,122.47x = 22,249.23 × 8,855.16
  4. Step 4: Simplify right side
    16,122.47x = 197,020,424.70
  5. Step 5: Solve for x
    x = 197,020,424.70/16,122.47
  6. Step 6: Final answer
    x = 12,220.24

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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.