Home / 15,791.32-23,680.84-5,260.96

Finding the Fourth Proportional to 15,791.32, 23,680.84 and 5,260.96

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Solution

The fourth proportional to 15,791.32, 23,680.84 and 5,260.96 is: 7,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.32 : 23,680.84 = 5,260.96 : x
  2. Step 2: Convert to fraction form
    15,791.32/23,680.84 = 5,260.96/x
  3. Step 3: Cross multiply
    15,791.32x = 23,680.84 × 5,260.96
  4. Step 4: Simplify right side
    15,791.32x = 124,583,952.01
  5. Step 5: Solve for x
    x = 124,583,952.01/15,791.32
  6. Step 6: Final answer
    x = 7,889.39

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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.