Home / 21,060.38-29,067.03-12,563.03

Finding the Fourth Proportional to 21,060.38, 29,067.03 and 12,563.03

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Solution

The fourth proportional to 21,060.38, 29,067.03 and 12,563.03 is: 17,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.38 : 29,067.03 = 12,563.03 : x
  2. Step 2: Convert to fraction form
    21,060.38/29,067.03 = 12,563.03/x
  3. Step 3: Cross multiply
    21,060.38x = 29,067.03 × 12,563.03
  4. Step 4: Simplify right side
    21,060.38x = 365,169,824.57
  5. Step 5: Solve for x
    x = 365,169,824.57/21,060.38
  6. Step 6: Final answer
    x = 17,339.19

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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.