Home / 13,694.51-20,541.72-3,306.26

Finding the Fourth Proportional to 13,694.51, 20,541.72 and 3,306.26

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Solution

The fourth proportional to 13,694.51, 20,541.72 and 3,306.26 is: 4,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.51 : 20,541.72 = 3,306.26 : x
  2. Step 2: Convert to fraction form
    13,694.51/20,541.72 = 3,306.26/x
  3. Step 3: Cross multiply
    13,694.51x = 20,541.72 × 3,306.26
  4. Step 4: Simplify right side
    13,694.51x = 67,916,267.17
  5. Step 5: Solve for x
    x = 67,916,267.17/13,694.51
  6. Step 6: Final answer
    x = 4,959.38

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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.