Home / 20,116.19-27,661.91-17,458.98

Finding the Fourth Proportional to 20,116.19, 27,661.91 and 17,458.98

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Solution

The fourth proportional to 20,116.19, 27,661.91 and 17,458.98 is: 24,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.19 : 27,661.91 = 17,458.98 : x
  2. Step 2: Convert to fraction form
    20,116.19/27,661.91 = 17,458.98/x
  3. Step 3: Cross multiply
    20,116.19x = 27,661.91 × 17,458.98
  4. Step 4: Simplify right side
    20,116.19x = 482,948,646.16
  5. Step 5: Solve for x
    x = 482,948,646.16/20,116.19
  6. Step 6: Final answer
    x = 24,007.96

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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.