Home / 16,180.16-22,323.20-10,521.90

Finding the Fourth Proportional to 16,180.16, 22,323.20 and 10,521.90

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Solution

The fourth proportional to 16,180.16, 22,323.20 and 10,521.90 is: 14,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.16 : 22,323.20 = 10,521.90 : x
  2. Step 2: Convert to fraction form
    16,180.16/22,323.20 = 10,521.90/x
  3. Step 3: Cross multiply
    16,180.16x = 22,323.20 × 10,521.90
  4. Step 4: Simplify right side
    16,180.16x = 234,882,425.47
  5. Step 5: Solve for x
    x = 234,882,425.47/16,180.16
  6. Step 6: Final answer
    x = 14,516.70

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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.