Home / 25,821.75-38,739.12-7,353.75

Finding the Fourth Proportional to 25,821.75, 38,739.12 and 7,353.75

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Solution

The fourth proportional to 25,821.75, 38,739.12 and 7,353.75 is: 11,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.75 : 38,739.12 = 7,353.75 : x
  2. Step 2: Convert to fraction form
    25,821.75/38,739.12 = 7,353.75/x
  3. Step 3: Cross multiply
    25,821.75x = 38,739.12 × 7,353.75
  4. Step 4: Simplify right side
    25,821.75x = 284,877,803.70
  5. Step 5: Solve for x
    x = 284,877,803.70/25,821.75
  6. Step 6: Final answer
    x = 11,032.47

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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.