Home / 39,198.16-58,799.99-12,903.13

Finding the Fourth Proportional to 39,198.16, 58,799.99 and 12,903.13

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Solution

The fourth proportional to 39,198.16, 58,799.99 and 12,903.13 is: 19,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.16 : 58,799.99 = 12,903.13 : x
  2. Step 2: Convert to fraction form
    39,198.16/58,799.99 = 12,903.13/x
  3. Step 3: Cross multiply
    39,198.16x = 58,799.99 × 12,903.13
  4. Step 4: Simplify right side
    39,198.16x = 758,703,914.97
  5. Step 5: Solve for x
    x = 758,703,914.97/39,198.16
  6. Step 6: Final answer
    x = 19,355.60

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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.