Home / 21,964.69-32,950.19-7,169.95

Finding the Fourth Proportional to 21,964.69, 32,950.19 and 7,169.95

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Solution

The fourth proportional to 21,964.69, 32,950.19 and 7,169.95 is: 10,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.69 : 32,950.19 = 7,169.95 : x
  2. Step 2: Convert to fraction form
    21,964.69/32,950.19 = 7,169.95/x
  3. Step 3: Cross multiply
    21,964.69x = 32,950.19 × 7,169.95
  4. Step 4: Simplify right side
    21,964.69x = 236,251,214.79
  5. Step 5: Solve for x
    x = 236,251,214.79/21,964.69
  6. Step 6: Final answer
    x = 10,755.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.