Home / 17,929.60-26,894.59-5,451.65

Finding the Fourth Proportional to 17,929.60, 26,894.59 and 5,451.65

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Solution

The fourth proportional to 17,929.60, 26,894.59 and 5,451.65 is: 8,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.60 : 26,894.59 = 5,451.65 : x
  2. Step 2: Convert to fraction form
    17,929.60/26,894.59 = 5,451.65/x
  3. Step 3: Cross multiply
    17,929.60x = 26,894.59 × 5,451.65
  4. Step 4: Simplify right side
    17,929.60x = 146,619,965.52
  5. Step 5: Solve for x
    x = 146,619,965.52/17,929.60
  6. Step 6: Final answer
    x = 8,177.54

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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.