Home / 13,808.57-19,049.77-9,330.69

Finding the Fourth Proportional to 13,808.57, 19,049.77 and 9,330.69

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Solution

The fourth proportional to 13,808.57, 19,049.77 and 9,330.69 is: 12,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.57 : 19,049.77 = 9,330.69 : x
  2. Step 2: Convert to fraction form
    13,808.57/19,049.77 = 9,330.69/x
  3. Step 3: Cross multiply
    13,808.57x = 19,049.77 × 9,330.69
  4. Step 4: Simplify right side
    13,808.57x = 177,747,451.79
  5. Step 5: Solve for x
    x = 177,747,451.79/13,808.57
  6. Step 6: Final answer
    x = 12,872.26

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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.