Home / 13,820.44-19,072.20-7,532.82

Finding the Fourth Proportional to 13,820.44, 19,072.20 and 7,532.82

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Solution

The fourth proportional to 13,820.44, 19,072.20 and 7,532.82 is: 10,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.44 : 19,072.20 = 7,532.82 : x
  2. Step 2: Convert to fraction form
    13,820.44/19,072.20 = 7,532.82/x
  3. Step 3: Cross multiply
    13,820.44x = 19,072.20 × 7,532.82
  4. Step 4: Simplify right side
    13,820.44x = 143,667,449.60
  5. Step 5: Solve for x
    x = 143,667,449.60/13,820.44
  6. Step 6: Final answer
    x = 10,395.29

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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.