Home / 13,747.07-20,623.19-6,251.18

Finding the Fourth Proportional to 13,747.07, 20,623.19 and 6,251.18

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Solution

The fourth proportional to 13,747.07, 20,623.19 and 6,251.18 is: 9,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.07 : 20,623.19 = 6,251.18 : x
  2. Step 2: Convert to fraction form
    13,747.07/20,623.19 = 6,251.18/x
  3. Step 3: Cross multiply
    13,747.07x = 20,623.19 × 6,251.18
  4. Step 4: Simplify right side
    13,747.07x = 128,919,138.49
  5. Step 5: Solve for x
    x = 128,919,138.49/13,747.07
  6. Step 6: Final answer
    x = 9,377.93

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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.