Home / 13,393.08-20,087.32-3,532.45

Finding the Fourth Proportional to 13,393.08, 20,087.32 and 3,532.45

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Solution

The fourth proportional to 13,393.08, 20,087.32 and 3,532.45 is: 5,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.08 : 20,087.32 = 3,532.45 : x
  2. Step 2: Convert to fraction form
    13,393.08/20,087.32 = 3,532.45/x
  3. Step 3: Cross multiply
    13,393.08x = 20,087.32 × 3,532.45
  4. Step 4: Simplify right side
    13,393.08x = 70,957,453.53
  5. Step 5: Solve for x
    x = 70,957,453.53/13,393.08
  6. Step 6: Final answer
    x = 5,298.07

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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.