Home / 18,449.16-25,455.31-10,791.24

Finding the Fourth Proportional to 18,449.16, 25,455.31 and 10,791.24

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Solution

The fourth proportional to 18,449.16, 25,455.31 and 10,791.24 is: 14,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.16 : 25,455.31 = 10,791.24 : x
  2. Step 2: Convert to fraction form
    18,449.16/25,455.31 = 10,791.24/x
  3. Step 3: Cross multiply
    18,449.16x = 25,455.31 × 10,791.24
  4. Step 4: Simplify right side
    18,449.16x = 274,694,359.48
  5. Step 5: Solve for x
    x = 274,694,359.48/18,449.16
  6. Step 6: Final answer
    x = 14,889.26

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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.