Home / 39,205.80-58,812.22-11,126.28

Finding the Fourth Proportional to 39,205.80, 58,812.22 and 11,126.28

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Solution

The fourth proportional to 39,205.80, 58,812.22 and 11,126.28 is: 16,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.80 : 58,812.22 = 11,126.28 : x
  2. Step 2: Convert to fraction form
    39,205.80/58,812.22 = 11,126.28/x
  3. Step 3: Cross multiply
    39,205.80x = 58,812.22 × 11,126.28
  4. Step 4: Simplify right side
    39,205.80x = 654,361,227.14
  5. Step 5: Solve for x
    x = 654,361,227.14/39,205.80
  6. Step 6: Final answer
    x = 16,690.42

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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.