Home / 17,876.36-26,811.10-5,393.49

Finding the Fourth Proportional to 17,876.36, 26,811.10 and 5,393.49

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Solution

The fourth proportional to 17,876.36, 26,811.10 and 5,393.49 is: 8,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.36 : 26,811.10 = 5,393.49 : x
  2. Step 2: Convert to fraction form
    17,876.36/26,811.10 = 5,393.49/x
  3. Step 3: Cross multiply
    17,876.36x = 26,811.10 × 5,393.49
  4. Step 4: Simplify right side
    17,876.36x = 144,605,305.94
  5. Step 5: Solve for x
    x = 144,605,305.94/17,876.36
  6. Step 6: Final answer
    x = 8,089.19

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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.