Home / 22,040.20-30,416.01-11,969.07

Finding the Fourth Proportional to 22,040.20, 30,416.01 and 11,969.07

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Solution

The fourth proportional to 22,040.20, 30,416.01 and 11,969.07 is: 16,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.20 : 30,416.01 = 11,969.07 : x
  2. Step 2: Convert to fraction form
    22,040.20/30,416.01 = 11,969.07/x
  3. Step 3: Cross multiply
    22,040.20x = 30,416.01 × 11,969.07
  4. Step 4: Simplify right side
    22,040.20x = 364,051,193.87
  5. Step 5: Solve for x
    x = 364,051,193.87/22,040.20
  6. Step 6: Final answer
    x = 16,517.60

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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.