Home / 13,227.03-18,253.25-7,258.80

Finding the Fourth Proportional to 13,227.03, 18,253.25 and 7,258.80

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Solution

The fourth proportional to 13,227.03, 18,253.25 and 7,258.80 is: 10,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.03 : 18,253.25 = 7,258.80 : x
  2. Step 2: Convert to fraction form
    13,227.03/18,253.25 = 7,258.80/x
  3. Step 3: Cross multiply
    13,227.03x = 18,253.25 × 7,258.80
  4. Step 4: Simplify right side
    13,227.03x = 132,496,691.10
  5. Step 5: Solve for x
    x = 132,496,691.10/13,227.03
  6. Step 6: Final answer
    x = 10,017.12

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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.