Home / 15,471.57-23,161.64-11,540.06

Finding the Fourth Proportional to 15,471.57, 23,161.64 and 11,540.06

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Solution

The fourth proportional to 15,471.57, 23,161.64 and 11,540.06 is: 17,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.57 : 23,161.64 = 11,540.06 : x
  2. Step 2: Convert to fraction form
    15,471.57/23,161.64 = 11,540.06/x
  3. Step 3: Cross multiply
    15,471.57x = 23,161.64 × 11,540.06
  4. Step 4: Simplify right side
    15,471.57x = 267,286,628.65
  5. Step 5: Solve for x
    x = 267,286,628.65/15,471.57
  6. Step 6: Final answer
    x = 17,275.98

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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.