Home / 18,675.41-25,772.19-10,717.43

Finding the Fourth Proportional to 18,675.41, 25,772.19 and 10,717.43

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Solution

The fourth proportional to 18,675.41, 25,772.19 and 10,717.43 is: 14,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.41 : 25,772.19 = 10,717.43 : x
  2. Step 2: Convert to fraction form
    18,675.41/25,772.19 = 10,717.43/x
  3. Step 3: Cross multiply
    18,675.41x = 25,772.19 × 10,717.43
  4. Step 4: Simplify right side
    18,675.41x = 276,211,642.27
  5. Step 5: Solve for x
    x = 276,211,642.27/18,675.41
  6. Step 6: Final answer
    x = 14,790.12

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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.