Home / 15,481.92-23,220.72-5,623.68

Finding the Fourth Proportional to 15,481.92, 23,220.72 and 5,623.68

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Solution

The fourth proportional to 15,481.92, 23,220.72 and 5,623.68 is: 8,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.92 : 23,220.72 = 5,623.68 : x
  2. Step 2: Convert to fraction form
    15,481.92/23,220.72 = 5,623.68/x
  3. Step 3: Cross multiply
    15,481.92x = 23,220.72 × 5,623.68
  4. Step 4: Simplify right side
    15,481.92x = 130,585,898.65
  5. Step 5: Solve for x
    x = 130,585,898.65/15,481.92
  6. Step 6: Final answer
    x = 8,434.74

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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.