Home / 12,043.32-18,038.25-9,249.43

Finding the Fourth Proportional to 12,043.32, 18,038.25 and 9,249.43

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Solution

The fourth proportional to 12,043.32, 18,038.25 and 9,249.43 is: 13,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.32 : 18,038.25 = 9,249.43 : x
  2. Step 2: Convert to fraction form
    12,043.32/18,038.25 = 9,249.43/x
  3. Step 3: Cross multiply
    12,043.32x = 18,038.25 × 9,249.43
  4. Step 4: Simplify right side
    12,043.32x = 166,843,530.70
  5. Step 5: Solve for x
    x = 166,843,530.70/12,043.32
  6. Step 6: Final answer
    x = 13,853.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.