Home / 17,387.51-26,082.36-6,718.95

Finding the Fourth Proportional to 17,387.51, 26,082.36 and 6,718.95

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Solution

The fourth proportional to 17,387.51, 26,082.36 and 6,718.95 is: 10,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.51 : 26,082.36 = 6,718.95 : x
  2. Step 2: Convert to fraction form
    17,387.51/26,082.36 = 6,718.95/x
  3. Step 3: Cross multiply
    17,387.51x = 26,082.36 × 6,718.95
  4. Step 4: Simplify right side
    17,387.51x = 175,246,072.72
  5. Step 5: Solve for x
    x = 175,246,072.72/17,387.51
  6. Step 6: Final answer
    x = 10,078.85

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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.