Home / 16,186.50-22,337.37-9,114.66

Finding the Fourth Proportional to 16,186.50, 22,337.37 and 9,114.66

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Solution

The fourth proportional to 16,186.50, 22,337.37 and 9,114.66 is: 12,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.50 : 22,337.37 = 9,114.66 : x
  2. Step 2: Convert to fraction form
    16,186.50/22,337.37 = 9,114.66/x
  3. Step 3: Cross multiply
    16,186.50x = 22,337.37 × 9,114.66
  4. Step 4: Simplify right side
    16,186.50x = 203,597,532.84
  5. Step 5: Solve for x
    x = 203,597,532.84/16,186.50
  6. Step 6: Final answer
    x = 12,578.23

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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.