Home / 17,379.18-25,942.91-15,277.32

Finding the Fourth Proportional to 17,379.18, 25,942.91 and 15,277.32

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Solution

The fourth proportional to 17,379.18, 25,942.91 and 15,277.32 is: 22,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.18 : 25,942.91 = 15,277.32 : x
  2. Step 2: Convert to fraction form
    17,379.18/25,942.91 = 15,277.32/x
  3. Step 3: Cross multiply
    17,379.18x = 25,942.91 × 15,277.32
  4. Step 4: Simplify right side
    17,379.18x = 396,338,061.41
  5. Step 5: Solve for x
    x = 396,338,061.41/17,379.18
  6. Step 6: Final answer
    x = 22,805.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.