Home / 17,964.70-26,947.05-9,107.35

Finding the Fourth Proportional to 17,964.70, 26,947.05 and 9,107.35

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Solution

The fourth proportional to 17,964.70, 26,947.05 and 9,107.35 is: 13,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.70 : 26,947.05 = 9,107.35 : x
  2. Step 2: Convert to fraction form
    17,964.70/26,947.05 = 9,107.35/x
  3. Step 3: Cross multiply
    17,964.70x = 26,947.05 × 9,107.35
  4. Step 4: Simplify right side
    17,964.70x = 245,416,215.82
  5. Step 5: Solve for x
    x = 245,416,215.82/17,964.70
  6. Step 6: Final answer
    x = 13,661.03

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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.