Home / 25,366.38-34,997.67-15,297.90

Finding the Fourth Proportional to 25,366.38, 34,997.67 and 15,297.90

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Solution

The fourth proportional to 25,366.38, 34,997.67 and 15,297.90 is: 21,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.38 : 34,997.67 = 15,297.90 : x
  2. Step 2: Convert to fraction form
    25,366.38/34,997.67 = 15,297.90/x
  3. Step 3: Cross multiply
    25,366.38x = 34,997.67 × 15,297.90
  4. Step 4: Simplify right side
    25,366.38x = 535,390,855.89
  5. Step 5: Solve for x
    x = 535,390,855.89/25,366.38
  6. Step 6: Final answer
    x = 21,106.32

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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.