Home / 22,240.86-33,361.29-13,478.28

Finding the Fourth Proportional to 22,240.86, 33,361.29 and 13,478.28

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Solution

The fourth proportional to 22,240.86, 33,361.29 and 13,478.28 is: 20,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.86 : 33,361.29 = 13,478.28 : x
  2. Step 2: Convert to fraction form
    22,240.86/33,361.29 = 13,478.28/x
  3. Step 3: Cross multiply
    22,240.86x = 33,361.29 × 13,478.28
  4. Step 4: Simplify right side
    22,240.86x = 449,652,807.78
  5. Step 5: Solve for x
    x = 449,652,807.78/22,240.86
  6. Step 6: Final answer
    x = 20,217.42

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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.