Home / 21,494.54-29,662.49-12,063.11

Finding the Fourth Proportional to 21,494.54, 29,662.49 and 12,063.11

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Solution

The fourth proportional to 21,494.54, 29,662.49 and 12,063.11 is: 16,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.54 : 29,662.49 = 12,063.11 : x
  2. Step 2: Convert to fraction form
    21,494.54/29,662.49 = 12,063.11/x
  3. Step 3: Cross multiply
    21,494.54x = 29,662.49 × 12,063.11
  4. Step 4: Simplify right side
    21,494.54x = 357,821,671.12
  5. Step 5: Solve for x
    x = 357,821,671.12/21,494.54
  6. Step 6: Final answer
    x = 16,647.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.