Home / 17,742.56-26,618.97-5,262.88

Finding the Fourth Proportional to 17,742.56, 26,618.97 and 5,262.88

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Solution

The fourth proportional to 17,742.56, 26,618.97 and 5,262.88 is: 7,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.56 : 26,618.97 = 5,262.88 : x
  2. Step 2: Convert to fraction form
    17,742.56/26,618.97 = 5,262.88/x
  3. Step 3: Cross multiply
    17,742.56x = 26,618.97 × 5,262.88
  4. Step 4: Simplify right side
    17,742.56x = 140,092,444.83
  5. Step 5: Solve for x
    x = 140,092,444.83/17,742.56
  6. Step 6: Final answer
    x = 7,895.84

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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.