Home / 19,612.48-27,065.28-11,229.04

Finding the Fourth Proportional to 19,612.48, 27,065.28 and 11,229.04

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Solution

The fourth proportional to 19,612.48, 27,065.28 and 11,229.04 is: 15,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.48 : 27,065.28 = 11,229.04 : x
  2. Step 2: Convert to fraction form
    19,612.48/27,065.28 = 11,229.04/x
  3. Step 3: Cross multiply
    19,612.48x = 27,065.28 × 11,229.04
  4. Step 4: Simplify right side
    19,612.48x = 303,917,111.73
  5. Step 5: Solve for x
    x = 303,917,111.73/19,612.48
  6. Step 6: Final answer
    x = 15,496.11

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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.