Home / 13,808.32-19,049.42-9,330.44

Finding the Fourth Proportional to 13,808.32, 19,049.42 and 9,330.44

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Solution

The fourth proportional to 13,808.32, 19,049.42 and 9,330.44 is: 12,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.32 : 19,049.42 = 9,330.44 : x
  2. Step 2: Convert to fraction form
    13,808.32/19,049.42 = 9,330.44/x
  3. Step 3: Cross multiply
    13,808.32x = 19,049.42 × 9,330.44
  4. Step 4: Simplify right side
    13,808.32x = 177,739,399.40
  5. Step 5: Solve for x
    x = 177,739,399.40/13,808.32
  6. Step 6: Final answer
    x = 12,871.91

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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.