Home / 18,616.37-25,686.05-11,062.44

Finding the Fourth Proportional to 18,616.37, 25,686.05 and 11,062.44

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Solution

The fourth proportional to 18,616.37, 25,686.05 and 11,062.44 is: 15,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.37 : 25,686.05 = 11,062.44 : x
  2. Step 2: Convert to fraction form
    18,616.37/25,686.05 = 11,062.44/x
  3. Step 3: Cross multiply
    18,616.37x = 25,686.05 × 11,062.44
  4. Step 4: Simplify right side
    18,616.37x = 284,150,331.65
  5. Step 5: Solve for x
    x = 284,150,331.65/18,616.37
  6. Step 6: Final answer
    x = 15,263.47

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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.