Home / 13,273.70-18,308.28-11,270.42

Finding the Fourth Proportional to 13,273.70, 18,308.28 and 11,270.42

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Solution

The fourth proportional to 13,273.70, 18,308.28 and 11,270.42 is: 15,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.70 : 18,308.28 = 11,270.42 : x
  2. Step 2: Convert to fraction form
    13,273.70/18,308.28 = 11,270.42/x
  3. Step 3: Cross multiply
    13,273.70x = 18,308.28 × 11,270.42
  4. Step 4: Simplify right side
    13,273.70x = 206,342,005.08
  5. Step 5: Solve for x
    x = 206,342,005.08/13,273.70
  6. Step 6: Final answer
    x = 15,545.18

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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.