Home / 25,919.80-38,887.80-10,933.72

Finding the Fourth Proportional to 25,919.80, 38,887.80 and 10,933.72

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Solution

The fourth proportional to 25,919.80, 38,887.80 and 10,933.72 is: 16,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.80 : 38,887.80 = 10,933.72 : x
  2. Step 2: Convert to fraction form
    25,919.80/38,887.80 = 10,933.72/x
  3. Step 3: Cross multiply
    25,919.80x = 38,887.80 × 10,933.72
  4. Step 4: Simplify right side
    25,919.80x = 425,188,316.62
  5. Step 5: Solve for x
    x = 425,188,316.62/25,919.80
  6. Step 6: Final answer
    x = 16,404.00

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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.