Home / 12,515.57-18,773.27-5,022.51

Finding the Fourth Proportional to 12,515.57, 18,773.27 and 5,022.51

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Solution

The fourth proportional to 12,515.57, 18,773.27 and 5,022.51 is: 7,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.57 : 18,773.27 = 5,022.51 : x
  2. Step 2: Convert to fraction form
    12,515.57/18,773.27 = 5,022.51/x
  3. Step 3: Cross multiply
    12,515.57x = 18,773.27 × 5,022.51
  4. Step 4: Simplify right side
    12,515.57x = 94,288,911.20
  5. Step 5: Solve for x
    x = 94,288,911.20/12,515.57
  6. Step 6: Final answer
    x = 7,533.73

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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.