Home / 27,585.02-38,067.08-15,009.76

Finding the Fourth Proportional to 27,585.02, 38,067.08 and 15,009.76

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Solution

The fourth proportional to 27,585.02, 38,067.08 and 15,009.76 is: 20,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.02 : 38,067.08 = 15,009.76 : x
  2. Step 2: Convert to fraction form
    27,585.02/38,067.08 = 15,009.76/x
  3. Step 3: Cross multiply
    27,585.02x = 38,067.08 × 15,009.76
  4. Step 4: Simplify right side
    27,585.02x = 571,377,734.70
  5. Step 5: Solve for x
    x = 571,377,734.70/27,585.02
  6. Step 6: Final answer
    x = 20,713.33

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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.