Home / 23,122.80-34,689.60-7,540.56

Finding the Fourth Proportional to 23,122.80, 34,689.60 and 7,540.56

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Solution

The fourth proportional to 23,122.80, 34,689.60 and 7,540.56 is: 11,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.80 : 34,689.60 = 7,540.56 : x
  2. Step 2: Convert to fraction form
    23,122.80/34,689.60 = 7,540.56/x
  3. Step 3: Cross multiply
    23,122.80x = 34,689.60 × 7,540.56
  4. Step 4: Simplify right side
    23,122.80x = 261,579,010.18
  5. Step 5: Solve for x
    x = 261,579,010.18/23,122.80
  6. Step 6: Final answer
    x = 11,312.60

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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.