Home / 27,140.75-40,707.88-11,562.83

Finding the Fourth Proportional to 27,140.75, 40,707.88 and 11,562.83

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Solution

The fourth proportional to 27,140.75, 40,707.88 and 11,562.83 is: 17,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.75 : 40,707.88 = 11,562.83 : x
  2. Step 2: Convert to fraction form
    27,140.75/40,707.88 = 11,562.83/x
  3. Step 3: Cross multiply
    27,140.75x = 40,707.88 × 11,562.83
  4. Step 4: Simplify right side
    27,140.75x = 470,698,063.65
  5. Step 5: Solve for x
    x = 470,698,063.65/27,140.75
  6. Step 6: Final answer
    x = 17,342.86

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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.