Home / 13,231.92-18,259.38-7,263.42

Finding the Fourth Proportional to 13,231.92, 18,259.38 and 7,263.42

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Solution

The fourth proportional to 13,231.92, 18,259.38 and 7,263.42 is: 10,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.92 : 18,259.38 = 7,263.42 : x
  2. Step 2: Convert to fraction form
    13,231.92/18,259.38 = 7,263.42/x
  3. Step 3: Cross multiply
    13,231.92x = 18,259.38 × 7,263.42
  4. Step 4: Simplify right side
    13,231.92x = 132,625,545.88
  5. Step 5: Solve for x
    x = 132,625,545.88/13,231.92
  6. Step 6: Final answer
    x = 10,023.15

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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.