Home / 39,205.43-58,811.79-11,126.17

Finding the Fourth Proportional to 39,205.43, 58,811.79 and 11,126.17

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Solution

The fourth proportional to 39,205.43, 58,811.79 and 11,126.17 is: 16,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.43 : 58,811.79 = 11,126.17 : x
  2. Step 2: Convert to fraction form
    39,205.43/58,811.79 = 11,126.17/x
  3. Step 3: Cross multiply
    39,205.43x = 58,811.79 × 11,126.17
  4. Step 4: Simplify right side
    39,205.43x = 654,349,973.54
  5. Step 5: Solve for x
    x = 654,349,973.54/39,205.43
  6. Step 6: Final answer
    x = 16,690.29

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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.