Home / 22,928.57-34,398.86-7,938.81

Finding the Fourth Proportional to 22,928.57, 34,398.86 and 7,938.81

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Solution

The fourth proportional to 22,928.57, 34,398.86 and 7,938.81 is: 11,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.57 : 34,398.86 = 7,938.81 : x
  2. Step 2: Convert to fraction form
    22,928.57/34,398.86 = 7,938.81/x
  3. Step 3: Cross multiply
    22,928.57x = 34,398.86 × 7,938.81
  4. Step 4: Simplify right side
    22,928.57x = 273,086,013.76
  5. Step 5: Solve for x
    x = 273,086,013.76/22,928.57
  6. Step 6: Final answer
    x = 11,910.29

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1.5x scale

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.