Home / 17,559.70-26,339.58-7,171.45

Finding the Fourth Proportional to 17,559.70, 26,339.58 and 7,171.45

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Solution

The fourth proportional to 17,559.70, 26,339.58 and 7,171.45 is: 10,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,559.70 : 26,339.58 = 7,171.45 : x
  2. Step 2: Convert to fraction form
    17,559.70/26,339.58 = 7,171.45/x
  3. Step 3: Cross multiply
    17,559.70x = 26,339.58 × 7,171.45
  4. Step 4: Simplify right side
    17,559.70x = 188,893,063.30
  5. Step 5: Solve for x
    x = 188,893,063.30/17,559.70
  6. Step 6: Final answer
    x = 10,757.19

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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.