Home / 27,585.13-38,067.31-15,009.93

Finding the Fourth Proportional to 27,585.13, 38,067.31 and 15,009.93

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Solution

The fourth proportional to 27,585.13, 38,067.31 and 15,009.93 is: 20,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.13 : 38,067.31 = 15,009.93 : x
  2. Step 2: Convert to fraction form
    27,585.13/38,067.31 = 15,009.93/x
  3. Step 3: Cross multiply
    27,585.13x = 38,067.31 × 15,009.93
  4. Step 4: Simplify right side
    27,585.13x = 571,387,583.34
  5. Step 5: Solve for x
    x = 571,387,583.34/27,585.13
  6. Step 6: Final answer
    x = 20,713.61

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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.