Home / 34,067.75-47,013.13-18,960.16

Finding the Fourth Proportional to 34,067.75, 47,013.13 and 18,960.16

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Solution

The fourth proportional to 34,067.75, 47,013.13 and 18,960.16 is: 26,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,067.75 : 47,013.13 = 18,960.16 : x
  2. Step 2: Convert to fraction form
    34,067.75/47,013.13 = 18,960.16/x
  3. Step 3: Cross multiply
    34,067.75x = 47,013.13 × 18,960.16
  4. Step 4: Simplify right side
    34,067.75x = 891,376,301.97
  5. Step 5: Solve for x
    x = 891,376,301.97/34,067.75
  6. Step 6: Final answer
    x = 26,164.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.