Home / 25,649.96-38,487.12-17,764.61

Finding the Fourth Proportional to 25,649.96, 38,487.12 and 17,764.61

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Solution

The fourth proportional to 25,649.96, 38,487.12 and 17,764.61 is: 26,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.96 : 38,487.12 = 17,764.61 : x
  2. Step 2: Convert to fraction form
    25,649.96/38,487.12 = 17,764.61/x
  3. Step 3: Cross multiply
    25,649.96x = 38,487.12 × 17,764.61
  4. Step 4: Simplify right side
    25,649.96x = 683,708,676.82
  5. Step 5: Solve for x
    x = 683,708,676.82/25,649.96
  6. Step 6: Final answer
    x = 26,655.35

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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.