Home / 23,115.20-34,750.14-18,243.56

Finding the Fourth Proportional to 23,115.20, 34,750.14 and 18,243.56

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Solution

The fourth proportional to 23,115.20, 34,750.14 and 18,243.56 is: 27,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.20 : 34,750.14 = 18,243.56 : x
  2. Step 2: Convert to fraction form
    23,115.20/34,750.14 = 18,243.56/x
  3. Step 3: Cross multiply
    23,115.20x = 34,750.14 × 18,243.56
  4. Step 4: Simplify right side
    23,115.20x = 633,966,264.10
  5. Step 5: Solve for x
    x = 633,966,264.10/23,115.20
  6. Step 6: Final answer
    x = 27,426.38

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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.