Home / 12,448.65-17,195.91-11,562.92

Finding the Fourth Proportional to 12,448.65, 17,195.91 and 11,562.92

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Solution

The fourth proportional to 12,448.65, 17,195.91 and 11,562.92 is: 15,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.65 : 17,195.91 = 11,562.92 : x
  2. Step 2: Convert to fraction form
    12,448.65/17,195.91 = 11,562.92/x
  3. Step 3: Cross multiply
    12,448.65x = 17,195.91 × 11,562.92
  4. Step 4: Simplify right side
    12,448.65x = 198,834,845.68
  5. Step 5: Solve for x
    x = 198,834,845.68/12,448.65
  6. Step 6: Final answer
    x = 15,972.40

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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.