Home / 17,403.76-26,102.64-5,717.20

Finding the Fourth Proportional to 17,403.76, 26,102.64 and 5,717.20

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Solution

The fourth proportional to 17,403.76, 26,102.64 and 5,717.20 is: 8,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,403.76 : 26,102.64 = 5,717.20 : x
  2. Step 2: Convert to fraction form
    17,403.76/26,102.64 = 5,717.20/x
  3. Step 3: Cross multiply
    17,403.76x = 26,102.64 × 5,717.20
  4. Step 4: Simplify right side
    17,403.76x = 149,234,013.41
  5. Step 5: Solve for x
    x = 149,234,013.41/17,403.76
  6. Step 6: Final answer
    x = 8,574.81

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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.