Home / 19,642.24-27,107.28-11,258.80

Finding the Fourth Proportional to 19,642.24, 27,107.28 and 11,258.80

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Solution

The fourth proportional to 19,642.24, 27,107.28 and 11,258.80 is: 15,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.24 : 27,107.28 = 11,258.80 : x
  2. Step 2: Convert to fraction form
    19,642.24/27,107.28 = 11,258.80/x
  3. Step 3: Cross multiply
    19,642.24x = 27,107.28 × 11,258.80
  4. Step 4: Simplify right side
    19,642.24x = 305,195,444.06
  5. Step 5: Solve for x
    x = 305,195,444.06/19,642.24
  6. Step 6: Final answer
    x = 15,537.71

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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.