Home / 38,480.77-57,726.93-13,516.42

Finding the Fourth Proportional to 38,480.77, 57,726.93 and 13,516.42

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Solution

The fourth proportional to 38,480.77, 57,726.93 and 13,516.42 is: 20,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.77 : 57,726.93 = 13,516.42 : x
  2. Step 2: Convert to fraction form
    38,480.77/57,726.93 = 13,516.42/x
  3. Step 3: Cross multiply
    38,480.77x = 57,726.93 × 13,516.42
  4. Step 4: Simplify right side
    38,480.77x = 780,261,431.19
  5. Step 5: Solve for x
    x = 780,261,431.19/38,480.77
  6. Step 6: Final answer
    x = 20,276.66

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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.