Home / 12,883.62-17,815.19-10,226.42

Finding the Fourth Proportional to 12,883.62, 17,815.19 and 10,226.42

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Solution

The fourth proportional to 12,883.62, 17,815.19 and 10,226.42 is: 14,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.62 : 17,815.19 = 10,226.42 : x
  2. Step 2: Convert to fraction form
    12,883.62/17,815.19 = 10,226.42/x
  3. Step 3: Cross multiply
    12,883.62x = 17,815.19 × 10,226.42
  4. Step 4: Simplify right side
    12,883.62x = 182,185,475.11
  5. Step 5: Solve for x
    x = 182,185,475.11/12,883.62
  6. Step 6: Final answer
    x = 14,140.86

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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.