Home / 12,324.97-18,436.49-9,340.93

Finding the Fourth Proportional to 12,324.97, 18,436.49 and 9,340.93

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Solution

The fourth proportional to 12,324.97, 18,436.49 and 9,340.93 is: 13,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.97 : 18,436.49 = 9,340.93 : x
  2. Step 2: Convert to fraction form
    12,324.97/18,436.49 = 9,340.93/x
  3. Step 3: Cross multiply
    12,324.97x = 18,436.49 × 9,340.93
  4. Step 4: Simplify right side
    12,324.97x = 172,213,962.54
  5. Step 5: Solve for x
    x = 172,213,962.54/12,324.97
  6. Step 6: Final answer
    x = 13,972.77

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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.