Home / 13,531.97-20,297.13-5,632.49

Finding the Fourth Proportional to 13,531.97, 20,297.13 and 5,632.49

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Solution

The fourth proportional to 13,531.97, 20,297.13 and 5,632.49 is: 8,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.97 : 20,297.13 = 5,632.49 : x
  2. Step 2: Convert to fraction form
    13,531.97/20,297.13 = 5,632.49/x
  3. Step 3: Cross multiply
    13,531.97x = 20,297.13 × 5,632.49
  4. Step 4: Simplify right side
    13,531.97x = 114,323,280.27
  5. Step 5: Solve for x
    x = 114,323,280.27/13,531.97
  6. Step 6: Final answer
    x = 8,448.39

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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.