Home / 15,767.88-23,650.20-5,238.60

Finding the Fourth Proportional to 15,767.88, 23,650.20 and 5,238.60

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Solution

The fourth proportional to 15,767.88, 23,650.20 and 5,238.60 is: 7,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.88 : 23,650.20 = 5,238.60 : x
  2. Step 2: Convert to fraction form
    15,767.88/23,650.20 = 5,238.60/x
  3. Step 3: Cross multiply
    15,767.88x = 23,650.20 × 5,238.60
  4. Step 4: Simplify right side
    15,767.88x = 123,893,937.72
  5. Step 5: Solve for x
    x = 123,893,937.72/15,767.88
  6. Step 6: Final answer
    x = 7,857.36

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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.