Home / 22,209.86-30,635.27-13,250.45

Finding the Fourth Proportional to 22,209.86, 30,635.27 and 13,250.45

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Solution

The fourth proportional to 22,209.86, 30,635.27 and 13,250.45 is: 18,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.86 : 30,635.27 = 13,250.45 : x
  2. Step 2: Convert to fraction form
    22,209.86/30,635.27 = 13,250.45/x
  3. Step 3: Cross multiply
    22,209.86x = 30,635.27 × 13,250.45
  4. Step 4: Simplify right side
    22,209.86x = 405,930,893.94
  5. Step 5: Solve for x
    x = 405,930,893.94/22,209.86
  6. Step 6: Final answer
    x = 18,277.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.