Home / 21,027.12-29,017.08-11,596.56

Finding the Fourth Proportional to 21,027.12, 29,017.08 and 11,596.56

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Solution

The fourth proportional to 21,027.12, 29,017.08 and 11,596.56 is: 16,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.12 : 29,017.08 = 11,596.56 : x
  2. Step 2: Convert to fraction form
    21,027.12/29,017.08 = 11,596.56/x
  3. Step 3: Cross multiply
    21,027.12x = 29,017.08 × 11,596.56
  4. Step 4: Simplify right side
    21,027.12x = 336,498,309.24
  5. Step 5: Solve for x
    x = 336,498,309.24/21,027.12
  6. Step 6: Final answer
    x = 16,003.06

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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.