Home / 13,634.33-20,442.38-11,005.07

Finding the Fourth Proportional to 13,634.33, 20,442.38 and 11,005.07

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Solution

The fourth proportional to 13,634.33, 20,442.38 and 11,005.07 is: 16,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.33 : 20,442.38 = 11,005.07 : x
  2. Step 2: Convert to fraction form
    13,634.33/20,442.38 = 11,005.07/x
  3. Step 3: Cross multiply
    13,634.33x = 20,442.38 × 11,005.07
  4. Step 4: Simplify right side
    13,634.33x = 224,969,665.63
  5. Step 5: Solve for x
    x = 224,969,665.63/13,634.33
  6. Step 6: Final answer
    x = 16,500.24

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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.