Home / 17,658.08-26,491.03-5,815.51

Finding the Fourth Proportional to 17,658.08, 26,491.03 and 5,815.51

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Solution

The fourth proportional to 17,658.08, 26,491.03 and 5,815.51 is: 8,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.08 : 26,491.03 = 5,815.51 : x
  2. Step 2: Convert to fraction form
    17,658.08/26,491.03 = 5,815.51/x
  3. Step 3: Cross multiply
    17,658.08x = 26,491.03 × 5,815.51
  4. Step 4: Simplify right side
    17,658.08x = 154,058,769.11
  5. Step 5: Solve for x
    x = 154,058,769.11/17,658.08
  6. Step 6: Final answer
    x = 8,724.55

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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.