Home / 21,184.88-29,235.11-11,624.82

Finding the Fourth Proportional to 21,184.88, 29,235.11 and 11,624.82

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Solution

The fourth proportional to 21,184.88, 29,235.11 and 11,624.82 is: 16,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.88 : 29,235.11 = 11,624.82 : x
  2. Step 2: Convert to fraction form
    21,184.88/29,235.11 = 11,624.82/x
  3. Step 3: Cross multiply
    21,184.88x = 29,235.11 × 11,624.82
  4. Step 4: Simplify right side
    21,184.88x = 339,852,723.67
  5. Step 5: Solve for x
    x = 339,852,723.67/21,184.88
  6. Step 6: Final answer
    x = 16,042.23

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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.