Home / 13,361.38-20,039.02-5,042.28

Finding the Fourth Proportional to 13,361.38, 20,039.02 and 5,042.28

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Solution

The fourth proportional to 13,361.38, 20,039.02 and 5,042.28 is: 7,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.38 : 20,039.02 = 5,042.28 : x
  2. Step 2: Convert to fraction form
    13,361.38/20,039.02 = 5,042.28/x
  3. Step 3: Cross multiply
    13,361.38x = 20,039.02 × 5,042.28
  4. Step 4: Simplify right side
    13,361.38x = 101,042,349.77
  5. Step 5: Solve for x
    x = 101,042,349.77/13,361.38
  6. Step 6: Final answer
    x = 7,562.27

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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.