Home / 25,608.45-38,387.13-12,256.82

Finding the Fourth Proportional to 25,608.45, 38,387.13 and 12,256.82

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Solution

The fourth proportional to 25,608.45, 38,387.13 and 12,256.82 is: 18,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.45 : 38,387.13 = 12,256.82 : x
  2. Step 2: Convert to fraction form
    25,608.45/38,387.13 = 12,256.82/x
  3. Step 3: Cross multiply
    25,608.45x = 38,387.13 × 12,256.82
  4. Step 4: Simplify right side
    25,608.45x = 470,503,950.79
  5. Step 5: Solve for x
    x = 470,503,950.79/25,608.45
  6. Step 6: Final answer
    x = 18,373.00

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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.