Home / 22,133.28-30,543.40-12,062.04

Finding the Fourth Proportional to 22,133.28, 30,543.40 and 12,062.04

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Solution

The fourth proportional to 22,133.28, 30,543.40 and 12,062.04 is: 16,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.28 : 30,543.40 = 12,062.04 : x
  2. Step 2: Convert to fraction form
    22,133.28/30,543.40 = 12,062.04/x
  3. Step 3: Cross multiply
    22,133.28x = 30,543.40 × 12,062.04
  4. Step 4: Simplify right side
    22,133.28x = 368,415,712.54
  5. Step 5: Solve for x
    x = 368,415,712.54/22,133.28
  6. Step 6: Final answer
    x = 16,645.33

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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.