Home / 16,553.20-22,843.36-9,479.60

Finding the Fourth Proportional to 16,553.20, 22,843.36 and 9,479.60

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Solution

The fourth proportional to 16,553.20, 22,843.36 and 9,479.60 is: 13,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,553.20 : 22,843.36 = 9,479.60 : x
  2. Step 2: Convert to fraction form
    16,553.20/22,843.36 = 9,479.60/x
  3. Step 3: Cross multiply
    16,553.20x = 22,843.36 × 9,479.60
  4. Step 4: Simplify right side
    16,553.20x = 216,545,915.46
  5. Step 5: Solve for x
    x = 216,545,915.46/16,553.20
  6. Step 6: Final answer
    x = 13,081.82

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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.