Home / 25,480.72-38,195.16-10,699.84

Finding the Fourth Proportional to 25,480.72, 38,195.16 and 10,699.84

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Solution

The fourth proportional to 25,480.72, 38,195.16 and 10,699.84 is: 16,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.72 : 38,195.16 = 10,699.84 : x
  2. Step 2: Convert to fraction form
    25,480.72/38,195.16 = 10,699.84/x
  3. Step 3: Cross multiply
    25,480.72x = 38,195.16 × 10,699.84
  4. Step 4: Simplify right side
    25,480.72x = 408,682,100.77
  5. Step 5: Solve for x
    x = 408,682,100.77/25,480.72
  6. Step 6: Final answer
    x = 16,038.88

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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.