Home / 27,055.11-37,335.35-15,118.55

Finding the Fourth Proportional to 27,055.11, 37,335.35 and 15,118.55

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Solution

The fourth proportional to 27,055.11, 37,335.35 and 15,118.55 is: 20,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.11 : 37,335.35 = 15,118.55 : x
  2. Step 2: Convert to fraction form
    27,055.11/37,335.35 = 15,118.55/x
  3. Step 3: Cross multiply
    27,055.11x = 37,335.35 × 15,118.55
  4. Step 4: Simplify right side
    27,055.11x = 564,456,206.86
  5. Step 5: Solve for x
    x = 564,456,206.86/27,055.11
  6. Step 6: Final answer
    x = 20,863.20

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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.