Home / 18,675.62-25,772.06-10,717.66

Finding the Fourth Proportional to 18,675.62, 25,772.06 and 10,717.66

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Solution

The fourth proportional to 18,675.62, 25,772.06 and 10,717.66 is: 14,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.62 : 25,772.06 = 10,717.66 : x
  2. Step 2: Convert to fraction form
    18,675.62/25,772.06 = 10,717.66/x
  3. Step 3: Cross multiply
    18,675.62x = 25,772.06 × 10,717.66
  4. Step 4: Simplify right side
    18,675.62x = 276,216,176.58
  5. Step 5: Solve for x
    x = 276,216,176.58/18,675.62
  6. Step 6: Final answer
    x = 14,790.20

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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.