Home / 15,540.26-21,444.95-8,466.73

Finding the Fourth Proportional to 15,540.26, 21,444.95 and 8,466.73

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Solution

The fourth proportional to 15,540.26, 21,444.95 and 8,466.73 is: 11,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.26 : 21,444.95 = 8,466.73 : x
  2. Step 2: Convert to fraction form
    15,540.26/21,444.95 = 8,466.73/x
  3. Step 3: Cross multiply
    15,540.26x = 21,444.95 × 8,466.73
  4. Step 4: Simplify right side
    15,540.26x = 181,568,569.07
  5. Step 5: Solve for x
    x = 181,568,569.07/15,540.26
  6. Step 6: Final answer
    x = 11,683.76

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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.