Home / 13,947.14-19,246.59-9,974.90

Finding the Fourth Proportional to 13,947.14, 19,246.59 and 9,974.90

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Solution

The fourth proportional to 13,947.14, 19,246.59 and 9,974.90 is: 13,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.14 : 19,246.59 = 9,974.90 : x
  2. Step 2: Convert to fraction form
    13,947.14/19,246.59 = 9,974.90/x
  3. Step 3: Cross multiply
    13,947.14x = 19,246.59 × 9,974.90
  4. Step 4: Simplify right side
    13,947.14x = 191,982,714.36
  5. Step 5: Solve for x
    x = 191,982,714.36/13,947.14
  6. Step 6: Final answer
    x = 13,765.03

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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.