Home / 18,251.76-25,188.56-10,291.04

Finding the Fourth Proportional to 18,251.76, 25,188.56 and 10,291.04

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Solution

The fourth proportional to 18,251.76, 25,188.56 and 10,291.04 is: 14,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.76 : 25,188.56 = 10,291.04 : x
  2. Step 2: Convert to fraction form
    18,251.76/25,188.56 = 10,291.04/x
  3. Step 3: Cross multiply
    18,251.76x = 25,188.56 × 10,291.04
  4. Step 4: Simplify right side
    18,251.76x = 259,216,478.50
  5. Step 5: Solve for x
    x = 259,216,478.50/18,251.76
  6. Step 6: Final answer
    x = 14,202.27

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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.