Home / 17,600.37-26,403.15-5,118.78

Finding the Fourth Proportional to 17,600.37, 26,403.15 and 5,118.78

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Solution

The fourth proportional to 17,600.37, 26,403.15 and 5,118.78 is: 7,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.37 : 26,403.15 = 5,118.78 : x
  2. Step 2: Convert to fraction form
    17,600.37/26,403.15 = 5,118.78/x
  3. Step 3: Cross multiply
    17,600.37x = 26,403.15 × 5,118.78
  4. Step 4: Simplify right side
    17,600.37x = 135,151,916.16
  5. Step 5: Solve for x
    x = 135,151,916.16/17,600.37
  6. Step 6: Final answer
    x = 7,678.92

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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.