Home / 15,769.20-23,653.80-7,449.44

Finding the Fourth Proportional to 15,769.20, 23,653.80 and 7,449.44

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Solution

The fourth proportional to 15,769.20, 23,653.80 and 7,449.44 is: 11,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.20 : 23,653.80 = 7,449.44 : x
  2. Step 2: Convert to fraction form
    15,769.20/23,653.80 = 7,449.44/x
  3. Step 3: Cross multiply
    15,769.20x = 23,653.80 × 7,449.44
  4. Step 4: Simplify right side
    15,769.20x = 176,207,563.87
  5. Step 5: Solve for x
    x = 176,207,563.87/15,769.20
  6. Step 6: Final answer
    x = 11,174.16

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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.