Home / 21,133.34-29,163.99-11,701.91

Finding the Fourth Proportional to 21,133.34, 29,163.99 and 11,701.91

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Solution

The fourth proportional to 21,133.34, 29,163.99 and 11,701.91 is: 16,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133.34 : 29,163.99 = 11,701.91 : x
  2. Step 2: Convert to fraction form
    21,133.34/29,163.99 = 11,701.91/x
  3. Step 3: Cross multiply
    21,133.34x = 29,163.99 × 11,701.91
  4. Step 4: Simplify right side
    21,133.34x = 341,274,240.40
  5. Step 5: Solve for x
    x = 341,274,240.40/21,133.34
  6. Step 6: Final answer
    x = 16,148.62

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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.