Home / 27,686.41-41,500.45-13,806.25

Finding the Fourth Proportional to 27,686.41, 41,500.45 and 13,806.25

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Solution

The fourth proportional to 27,686.41, 41,500.45 and 13,806.25 is: 20,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.41 : 41,500.45 = 13,806.25 : x
  2. Step 2: Convert to fraction form
    27,686.41/41,500.45 = 13,806.25/x
  3. Step 3: Cross multiply
    27,686.41x = 41,500.45 × 13,806.25
  4. Step 4: Simplify right side
    27,686.41x = 572,965,587.81
  5. Step 5: Solve for x
    x = 572,965,587.81/27,686.41
  6. Step 6: Final answer
    x = 20,694.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.