Home / 18,294.22-25,247.19-11,219.68

Finding the Fourth Proportional to 18,294.22, 25,247.19 and 11,219.68

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Solution

The fourth proportional to 18,294.22, 25,247.19 and 11,219.68 is: 15,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.22 : 25,247.19 = 11,219.68 : x
  2. Step 2: Convert to fraction form
    18,294.22/25,247.19 = 11,219.68/x
  3. Step 3: Cross multiply
    18,294.22x = 25,247.19 × 11,219.68
  4. Step 4: Simplify right side
    18,294.22x = 283,265,392.70
  5. Step 5: Solve for x
    x = 283,265,392.70/18,294.22
  6. Step 6: Final answer
    x = 15,483.87

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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.