Home / 25,144.31-37,659.05-12,005.91

Finding the Fourth Proportional to 25,144.31, 37,659.05 and 12,005.91

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Solution

The fourth proportional to 25,144.31, 37,659.05 and 12,005.91 is: 17,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.31 : 37,659.05 = 12,005.91 : x
  2. Step 2: Convert to fraction form
    25,144.31/37,659.05 = 12,005.91/x
  3. Step 3: Cross multiply
    25,144.31x = 37,659.05 × 12,005.91
  4. Step 4: Simplify right side
    25,144.31x = 452,131,164.99
  5. Step 5: Solve for x
    x = 452,131,164.99/25,144.31
  6. Step 6: Final answer
    x = 17,981.45

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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.