Home / 20,566.69-28,382.04-11,614.77

Finding the Fourth Proportional to 20,566.69, 28,382.04 and 11,614.77

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Solution

The fourth proportional to 20,566.69, 28,382.04 and 11,614.77 is: 16,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.69 : 28,382.04 = 11,614.77 : x
  2. Step 2: Convert to fraction form
    20,566.69/28,382.04 = 11,614.77/x
  3. Step 3: Cross multiply
    20,566.69x = 28,382.04 × 11,614.77
  4. Step 4: Simplify right side
    20,566.69x = 329,650,866.73
  5. Step 5: Solve for x
    x = 329,650,866.73/20,566.69
  6. Step 6: Final answer
    x = 16,028.39

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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.