Home / 16,186.98-22,332.90-9,112.04

Finding the Fourth Proportional to 16,186.98, 22,332.90 and 9,112.04

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Solution

The fourth proportional to 16,186.98, 22,332.90 and 9,112.04 is: 12,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.98 : 22,332.90 = 9,112.04 : x
  2. Step 2: Convert to fraction form
    16,186.98/22,332.90 = 9,112.04/x
  3. Step 3: Cross multiply
    16,186.98x = 22,332.90 × 9,112.04
  4. Step 4: Simplify right side
    16,186.98x = 203,498,233.11
  5. Step 5: Solve for x
    x = 203,498,233.11/16,186.98
  6. Step 6: Final answer
    x = 12,571.72

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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.