Home / 13,974.12-19,283.40-8,667

Finding the Fourth Proportional to 13,974.12, 19,283.40 and 8,667

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Solution

The fourth proportional to 13,974.12, 19,283.40 and 8,667 is: 11,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.12 : 19,283.40 = 8,667 : x
  2. Step 2: Convert to fraction form
    13,974.12/19,283.40 = 8,667/x
  3. Step 3: Cross multiply
    13,974.12x = 19,283.40 × 8,667
  4. Step 4: Simplify right side
    13,974.12x = 167,129,227.80
  5. Step 5: Solve for x
    x = 167,129,227.80/13,974.12
  6. Step 6: Final answer
    x = 11,959.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.