Home / 18,267.31-25,209.26-10,719.43

Finding the Fourth Proportional to 18,267.31, 25,209.26 and 10,719.43

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Solution

The fourth proportional to 18,267.31, 25,209.26 and 10,719.43 is: 14,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.31 : 25,209.26 = 10,719.43 : x
  2. Step 2: Convert to fraction form
    18,267.31/25,209.26 = 10,719.43/x
  3. Step 3: Cross multiply
    18,267.31x = 25,209.26 × 10,719.43
  4. Step 4: Simplify right side
    18,267.31x = 270,228,897.92
  5. Step 5: Solve for x
    x = 270,228,897.92/18,267.31
  6. Step 6: Final answer
    x = 14,793.03

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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.