Home / 25,950.62-38,919.95-10,156.03

Finding the Fourth Proportional to 25,950.62, 38,919.95 and 10,156.03

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Solution

The fourth proportional to 25,950.62, 38,919.95 and 10,156.03 is: 15,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.62 : 38,919.95 = 10,156.03 : x
  2. Step 2: Convert to fraction form
    25,950.62/38,919.95 = 10,156.03/x
  3. Step 3: Cross multiply
    25,950.62x = 38,919.95 × 10,156.03
  4. Step 4: Simplify right side
    25,950.62x = 395,272,107.89
  5. Step 5: Solve for x
    x = 395,272,107.89/25,950.62
  6. Step 6: Final answer
    x = 15,231.70

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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.