Home / 15,109.62-22,661.73-5,750.61

Finding the Fourth Proportional to 15,109.62, 22,661.73 and 5,750.61

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Solution

The fourth proportional to 15,109.62, 22,661.73 and 5,750.61 is: 8,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.62 : 22,661.73 = 5,750.61 : x
  2. Step 2: Convert to fraction form
    15,109.62/22,661.73 = 5,750.61/x
  3. Step 3: Cross multiply
    15,109.62x = 22,661.73 × 5,750.61
  4. Step 4: Simplify right side
    15,109.62x = 130,318,771.16
  5. Step 5: Solve for x
    x = 130,318,771.16/15,109.62
  6. Step 6: Final answer
    x = 8,624.89

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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.