Home / 15,660.98-23,449.10-11,469.23

Finding the Fourth Proportional to 15,660.98, 23,449.10 and 11,469.23

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Solution

The fourth proportional to 15,660.98, 23,449.10 and 11,469.23 is: 17,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.98 : 23,449.10 = 11,469.23 : x
  2. Step 2: Convert to fraction form
    15,660.98/23,449.10 = 11,469.23/x
  3. Step 3: Cross multiply
    15,660.98x = 23,449.10 × 11,469.23
  4. Step 4: Simplify right side
    15,660.98x = 268,943,034.54
  5. Step 5: Solve for x
    x = 268,943,034.54/15,660.98
  6. Step 6: Final answer
    x = 17,172.81

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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.