Home / 21,063.85-29,068.11-11,632.41

Finding the Fourth Proportional to 21,063.85, 29,068.11 and 11,632.41

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Solution

The fourth proportional to 21,063.85, 29,068.11 and 11,632.41 is: 16,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.85 : 29,068.11 = 11,632.41 : x
  2. Step 2: Convert to fraction form
    21,063.85/29,068.11 = 11,632.41/x
  3. Step 3: Cross multiply
    21,063.85x = 29,068.11 × 11,632.41
  4. Step 4: Simplify right side
    21,063.85x = 338,132,282.45
  5. Step 5: Solve for x
    x = 338,132,282.45/21,063.85
  6. Step 6: Final answer
    x = 16,052.73

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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.