Home / 13,178.31-19,769.87-6,252.75

Finding the Fourth Proportional to 13,178.31, 19,769.87 and 6,252.75

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Solution

The fourth proportional to 13,178.31, 19,769.87 and 6,252.75 is: 9,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.31 : 19,769.87 = 6,252.75 : x
  2. Step 2: Convert to fraction form
    13,178.31/19,769.87 = 6,252.75/x
  3. Step 3: Cross multiply
    13,178.31x = 19,769.87 × 6,252.75
  4. Step 4: Simplify right side
    13,178.31x = 123,616,023.38
  5. Step 5: Solve for x
    x = 123,616,023.38/13,178.31
  6. Step 6: Final answer
    x = 9,380.26

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1.5x scale

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.