Home / 22,786.80-34,200.45-13,415.10

Finding the Fourth Proportional to 22,786.80, 34,200.45 and 13,415.10

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Solution

The fourth proportional to 22,786.80, 34,200.45 and 13,415.10 is: 20,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.80 : 34,200.45 = 13,415.10 : x
  2. Step 2: Convert to fraction form
    22,786.80/34,200.45 = 13,415.10/x
  3. Step 3: Cross multiply
    22,786.80x = 34,200.45 × 13,415.10
  4. Step 4: Simplify right side
    22,786.80x = 458,802,456.80
  5. Step 5: Solve for x
    x = 458,802,456.80/22,786.80
  6. Step 6: Final answer
    x = 20,134.57

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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.