Home / 19,538.33-26,963.13-11,579.04

Finding the Fourth Proportional to 19,538.33, 26,963.13 and 11,579.04

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Solution

The fourth proportional to 19,538.33, 26,963.13 and 11,579.04 is: 15,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.33 : 26,963.13 = 11,579.04 : x
  2. Step 2: Convert to fraction form
    19,538.33/26,963.13 = 11,579.04/x
  3. Step 3: Cross multiply
    19,538.33x = 26,963.13 × 11,579.04
  4. Step 4: Simplify right side
    19,538.33x = 312,207,160.80
  5. Step 5: Solve for x
    x = 312,207,160.80/19,538.33
  6. Step 6: Final answer
    x = 15,979.22

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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.