Home / 13,820.48-19,072.68-7,532.96

Finding the Fourth Proportional to 13,820.48, 19,072.68 and 7,532.96

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Solution

The fourth proportional to 13,820.48, 19,072.68 and 7,532.96 is: 10,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.48 : 19,072.68 = 7,532.96 : x
  2. Step 2: Convert to fraction form
    13,820.48/19,072.68 = 7,532.96/x
  3. Step 3: Cross multiply
    13,820.48x = 19,072.68 × 7,532.96
  4. Step 4: Simplify right side
    13,820.48x = 143,673,735.53
  5. Step 5: Solve for x
    x = 143,673,735.53/13,820.48
  6. Step 6: Final answer
    x = 10,395.71

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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.