Home / 13,388.29-20,095.49-11,181.24

Finding the Fourth Proportional to 13,388.29, 20,095.49 and 11,181.24

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Solution

The fourth proportional to 13,388.29, 20,095.49 and 11,181.24 is: 16,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.29 : 20,095.49 = 11,181.24 : x
  2. Step 2: Convert to fraction form
    13,388.29/20,095.49 = 11,181.24/x
  3. Step 3: Cross multiply
    13,388.29x = 20,095.49 × 11,181.24
  4. Step 4: Simplify right side
    13,388.29x = 224,692,524.56
  5. Step 5: Solve for x
    x = 224,692,524.56/13,388.29
  6. Step 6: Final answer
    x = 16,782.77

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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.