Home / 23,139.30-34,708.64-5,609.28

Finding the Fourth Proportional to 23,139.30, 34,708.64 and 5,609.28

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Solution

The fourth proportional to 23,139.30, 34,708.64 and 5,609.28 is: 8,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.30 : 34,708.64 = 5,609.28 : x
  2. Step 2: Convert to fraction form
    23,139.30/34,708.64 = 5,609.28/x
  3. Step 3: Cross multiply
    23,139.30x = 34,708.64 × 5,609.28
  4. Step 4: Simplify right side
    23,139.30x = 194,690,278.59
  5. Step 5: Solve for x
    x = 194,690,278.59/23,139.30
  6. Step 6: Final answer
    x = 8,413.84

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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.