Home / 25,347.12-38,011-10,145.04

Finding the Fourth Proportional to 25,347.12, 38,011 and 10,145.04

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Solution

The fourth proportional to 25,347.12, 38,011 and 10,145.04 is: 15,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.12 : 38,011 = 10,145.04 : x
  2. Step 2: Convert to fraction form
    25,347.12/38,011 = 10,145.04/x
  3. Step 3: Cross multiply
    25,347.12x = 38,011 × 10,145.04
  4. Step 4: Simplify right side
    25,347.12x = 385,623,115.44
  5. Step 5: Solve for x
    x = 385,623,115.44/25,347.12
  6. Step 6: Final answer
    x = 15,213.69

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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.