Home / 13,388.59-20,063.64-7,532.83

Finding the Fourth Proportional to 13,388.59, 20,063.64 and 7,532.83

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Solution

The fourth proportional to 13,388.59, 20,063.64 and 7,532.83 is: 11,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.59 : 20,063.64 = 7,532.83 : x
  2. Step 2: Convert to fraction form
    13,388.59/20,063.64 = 7,532.83/x
  3. Step 3: Cross multiply
    13,388.59x = 20,063.64 × 7,532.83
  4. Step 4: Simplify right side
    13,388.59x = 151,135,967.39
  5. Step 5: Solve for x
    x = 151,135,967.39/13,388.59
  6. Step 6: Final answer
    x = 11,288.42

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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.