Home / 17,731.79-26,589.51-5,247.35

Finding the Fourth Proportional to 17,731.79, 26,589.51 and 5,247.35

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Solution

The fourth proportional to 17,731.79, 26,589.51 and 5,247.35 is: 7,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.79 : 26,589.51 = 5,247.35 : x
  2. Step 2: Convert to fraction form
    17,731.79/26,589.51 = 5,247.35/x
  3. Step 3: Cross multiply
    17,731.79x = 26,589.51 × 5,247.35
  4. Step 4: Simplify right side
    17,731.79x = 139,524,465.30
  5. Step 5: Solve for x
    x = 139,524,465.30/17,731.79
  6. Step 6: Final answer
    x = 7,868.61

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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.