Home / 38,013.40-57,016.91-11,718.37

Finding the Fourth Proportional to 38,013.40, 57,016.91 and 11,718.37

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Solution

The fourth proportional to 38,013.40, 57,016.91 and 11,718.37 is: 17,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.40 : 57,016.91 = 11,718.37 : x
  2. Step 2: Convert to fraction form
    38,013.40/57,016.91 = 11,718.37/x
  3. Step 3: Cross multiply
    38,013.40x = 57,016.91 × 11,718.37
  4. Step 4: Simplify right side
    38,013.40x = 668,145,348.20
  5. Step 5: Solve for x
    x = 668,145,348.20/38,013.40
  6. Step 6: Final answer
    x = 17,576.57

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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.