Home / 15,717.24-23,576.10-5,188.38

Finding the Fourth Proportional to 15,717.24, 23,576.10 and 5,188.38

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Solution

The fourth proportional to 15,717.24, 23,576.10 and 5,188.38 is: 7,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.24 : 23,576.10 = 5,188.38 : x
  2. Step 2: Convert to fraction form
    15,717.24/23,576.10 = 5,188.38/x
  3. Step 3: Cross multiply
    15,717.24x = 23,576.10 × 5,188.38
  4. Step 4: Simplify right side
    15,717.24x = 122,321,765.72
  5. Step 5: Solve for x
    x = 122,321,765.72/15,717.24
  6. Step 6: Final answer
    x = 7,782.65

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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.