Home / 16,261.98-22,442.85-9,189.87

Finding the Fourth Proportional to 16,261.98, 22,442.85 and 9,189.87

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Solution

The fourth proportional to 16,261.98, 22,442.85 and 9,189.87 is: 12,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.98 : 22,442.85 = 9,189.87 : x
  2. Step 2: Convert to fraction form
    16,261.98/22,442.85 = 9,189.87/x
  3. Step 3: Cross multiply
    16,261.98x = 22,442.85 × 9,189.87
  4. Step 4: Simplify right side
    16,261.98x = 206,246,873.93
  5. Step 5: Solve for x
    x = 206,246,873.93/16,261.98
  6. Step 6: Final answer
    x = 12,682.77

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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.