Home / 18,294.12-25,246.35-11,216.34

Finding the Fourth Proportional to 18,294.12, 25,246.35 and 11,216.34

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Solution

The fourth proportional to 18,294.12, 25,246.35 and 11,216.34 is: 15,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.12 : 25,246.35 = 11,216.34 : x
  2. Step 2: Convert to fraction form
    18,294.12/25,246.35 = 11,216.34/x
  3. Step 3: Cross multiply
    18,294.12x = 25,246.35 × 11,216.34
  4. Step 4: Simplify right side
    18,294.12x = 283,171,645.36
  5. Step 5: Solve for x
    x = 283,171,645.36/18,294.12
  6. Step 6: Final answer
    x = 15,478.83

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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.