Home / 19,353.39-29,063.22-11,900.71

Finding the Fourth Proportional to 19,353.39, 29,063.22 and 11,900.71

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Solution

The fourth proportional to 19,353.39, 29,063.22 and 11,900.71 is: 17,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.39 : 29,063.22 = 11,900.71 : x
  2. Step 2: Convert to fraction form
    19,353.39/29,063.22 = 11,900.71/x
  3. Step 3: Cross multiply
    19,353.39x = 29,063.22 × 11,900.71
  4. Step 4: Simplify right side
    19,353.39x = 345,872,952.89
  5. Step 5: Solve for x
    x = 345,872,952.89/19,353.39
  6. Step 6: Final answer
    x = 17,871.44

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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.