Home / 22,320.19-33,480.13-5,680

Finding the Fourth Proportional to 22,320.19, 33,480.13 and 5,680

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Solution

The fourth proportional to 22,320.19, 33,480.13 and 5,680 is: 8,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.19 : 33,480.13 = 5,680 : x
  2. Step 2: Convert to fraction form
    22,320.19/33,480.13 = 5,680/x
  3. Step 3: Cross multiply
    22,320.19x = 33,480.13 × 5,680
  4. Step 4: Simplify right side
    22,320.19x = 190,167,138.40
  5. Step 5: Solve for x
    x = 190,167,138.40/22,320.19
  6. Step 6: Final answer
    x = 8,519.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.