Home / 22,263.29-30,722.79-12,192.15

Finding the Fourth Proportional to 22,263.29, 30,722.79 and 12,192.15

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Solution

The fourth proportional to 22,263.29, 30,722.79 and 12,192.15 is: 16,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.29 : 30,722.79 = 12,192.15 : x
  2. Step 2: Convert to fraction form
    22,263.29/30,722.79 = 12,192.15/x
  3. Step 3: Cross multiply
    22,263.29x = 30,722.79 × 12,192.15
  4. Step 4: Simplify right side
    22,263.29x = 374,576,864.10
  5. Step 5: Solve for x
    x = 374,576,864.10/22,263.29
  6. Step 6: Final answer
    x = 16,824.87

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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.