Home / 17,295.39-25,929.75-7,928.65

Finding the Fourth Proportional to 17,295.39, 25,929.75 and 7,928.65

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Solution

The fourth proportional to 17,295.39, 25,929.75 and 7,928.65 is: 11,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,295.39 : 25,929.75 = 7,928.65 : x
  2. Step 2: Convert to fraction form
    17,295.39/25,929.75 = 7,928.65/x
  3. Step 3: Cross multiply
    17,295.39x = 25,929.75 × 7,928.65
  4. Step 4: Simplify right side
    17,295.39x = 205,587,912.34
  5. Step 5: Solve for x
    x = 205,587,912.34/17,295.39
  6. Step 6: Final answer
    x = 11,886.86

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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.