Home / 21,464.12-29,619.18-12,032.48

Finding the Fourth Proportional to 21,464.12, 29,619.18 and 12,032.48

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Solution

The fourth proportional to 21,464.12, 29,619.18 and 12,032.48 is: 16,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.12 : 29,619.18 = 12,032.48 : x
  2. Step 2: Convert to fraction form
    21,464.12/29,619.18 = 12,032.48/x
  3. Step 3: Cross multiply
    21,464.12x = 29,619.18 × 12,032.48
  4. Step 4: Simplify right side
    21,464.12x = 356,392,190.97
  5. Step 5: Solve for x
    x = 356,392,190.97/21,464.12
  6. Step 6: Final answer
    x = 16,604.09

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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.