Home / 16,505.95-22,791.30-15,246.54

Finding the Fourth Proportional to 16,505.95, 22,791.30 and 15,246.54

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Solution

The fourth proportional to 16,505.95, 22,791.30 and 15,246.54 is: 21,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.95 : 22,791.30 = 15,246.54 : x
  2. Step 2: Convert to fraction form
    16,505.95/22,791.30 = 15,246.54/x
  3. Step 3: Cross multiply
    16,505.95x = 22,791.30 × 15,246.54
  4. Step 4: Simplify right side
    16,505.95x = 347,488,467.10
  5. Step 5: Solve for x
    x = 347,488,467.10/16,505.95
  6. Step 6: Final answer
    x = 21,052.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.