Home / 18,695.67-25,799.06-11,621.97

Finding the Fourth Proportional to 18,695.67, 25,799.06 and 11,621.97

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Solution

The fourth proportional to 18,695.67, 25,799.06 and 11,621.97 is: 16,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.67 : 25,799.06 = 11,621.97 : x
  2. Step 2: Convert to fraction form
    18,695.67/25,799.06 = 11,621.97/x
  3. Step 3: Cross multiply
    18,695.67x = 25,799.06 × 11,621.97
  4. Step 4: Simplify right side
    18,695.67x = 299,835,843.24
  5. Step 5: Solve for x
    x = 299,835,843.24/18,695.67
  6. Step 6: Final answer
    x = 16,037.72

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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.