Home / 19,887.06-27,443.41-10,934.03

Finding the Fourth Proportional to 19,887.06, 27,443.41 and 10,934.03

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Solution

The fourth proportional to 19,887.06, 27,443.41 and 10,934.03 is: 15,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.06 : 27,443.41 = 10,934.03 : x
  2. Step 2: Convert to fraction form
    19,887.06/27,443.41 = 10,934.03/x
  3. Step 3: Cross multiply
    19,887.06x = 27,443.41 × 10,934.03
  4. Step 4: Simplify right side
    19,887.06x = 300,067,013.57
  5. Step 5: Solve for x
    x = 300,067,013.57/19,887.06
  6. Step 6: Final answer
    x = 15,088.56

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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.