Home / 27,581.31-38,062.71-15,006.06

Finding the Fourth Proportional to 27,581.31, 38,062.71 and 15,006.06

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Solution

The fourth proportional to 27,581.31, 38,062.71 and 15,006.06 is: 20,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.31 : 38,062.71 = 15,006.06 : x
  2. Step 2: Convert to fraction form
    27,581.31/38,062.71 = 15,006.06/x
  3. Step 3: Cross multiply
    27,581.31x = 38,062.71 × 15,006.06
  4. Step 4: Simplify right side
    27,581.31x = 571,171,310.02
  5. Step 5: Solve for x
    x = 571,171,310.02/27,581.31
  6. Step 6: Final answer
    x = 20,708.64

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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.