Home / 19,948.19-27,520.78-11,447.24

Finding the Fourth Proportional to 19,948.19, 27,520.78 and 11,447.24

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Solution

The fourth proportional to 19,948.19, 27,520.78 and 11,447.24 is: 15,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.19 : 27,520.78 = 11,447.24 : x
  2. Step 2: Convert to fraction form
    19,948.19/27,520.78 = 11,447.24/x
  3. Step 3: Cross multiply
    19,948.19x = 27,520.78 × 11,447.24
  4. Step 4: Simplify right side
    19,948.19x = 315,036,983.69
  5. Step 5: Solve for x
    x = 315,036,983.69/19,948.19
  6. Step 6: Final answer
    x = 15,792.76

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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.