Home / 16,218.92-22,367.18-10,240.20

Finding the Fourth Proportional to 16,218.92, 22,367.18 and 10,240.20

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Solution

The fourth proportional to 16,218.92, 22,367.18 and 10,240.20 is: 14,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.92 : 22,367.18 = 10,240.20 : x
  2. Step 2: Convert to fraction form
    16,218.92/22,367.18 = 10,240.20/x
  3. Step 3: Cross multiply
    16,218.92x = 22,367.18 × 10,240.20
  4. Step 4: Simplify right side
    16,218.92x = 229,044,396.64
  5. Step 5: Solve for x
    x = 229,044,396.64/16,218.92
  6. Step 6: Final answer
    x = 14,122.05

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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.