Home / 12,232.65-18,308.19-9,294.51

Finding the Fourth Proportional to 12,232.65, 18,308.19 and 9,294.51

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Solution

The fourth proportional to 12,232.65, 18,308.19 and 9,294.51 is: 13,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.65 : 18,308.19 = 9,294.51 : x
  2. Step 2: Convert to fraction form
    12,232.65/18,308.19 = 9,294.51/x
  3. Step 3: Cross multiply
    12,232.65x = 18,308.19 × 9,294.51
  4. Step 4: Simplify right side
    12,232.65x = 170,165,655.04
  5. Step 5: Solve for x
    x = 170,165,655.04/12,232.65
  6. Step 6: Final answer
    x = 13,910.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.