Home / 21,635.92-32,442.27-11,101.60

Finding the Fourth Proportional to 21,635.92, 32,442.27 and 11,101.60

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Solution

The fourth proportional to 21,635.92, 32,442.27 and 11,101.60 is: 16,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.92 : 32,442.27 = 11,101.60 : x
  2. Step 2: Convert to fraction form
    21,635.92/32,442.27 = 11,101.60/x
  3. Step 3: Cross multiply
    21,635.92x = 32,442.27 × 11,101.60
  4. Step 4: Simplify right side
    21,635.92x = 360,161,104.63
  5. Step 5: Solve for x
    x = 360,161,104.63/21,635.92
  6. Step 6: Final answer
    x = 16,646.44

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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.