Home / 22,131.60-33,187.08-11,740.56

Finding the Fourth Proportional to 22,131.60, 33,187.08 and 11,740.56

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Solution

The fourth proportional to 22,131.60, 33,187.08 and 11,740.56 is: 17,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.60 : 33,187.08 = 11,740.56 : x
  2. Step 2: Convert to fraction form
    22,131.60/33,187.08 = 11,740.56/x
  3. Step 3: Cross multiply
    22,131.60x = 33,187.08 × 11,740.56
  4. Step 4: Simplify right side
    22,131.60x = 389,634,903.96
  5. Step 5: Solve for x
    x = 389,634,903.96/22,131.60
  6. Step 6: Final answer
    x = 17,605.37

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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.