Home / 16,251.93-22,411.76-9,879.39

Finding the Fourth Proportional to 16,251.93, 22,411.76 and 9,879.39

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Solution

The fourth proportional to 16,251.93, 22,411.76 and 9,879.39 is: 13,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.93 : 22,411.76 = 9,879.39 : x
  2. Step 2: Convert to fraction form
    16,251.93/22,411.76 = 9,879.39/x
  3. Step 3: Cross multiply
    16,251.93x = 22,411.76 × 9,879.39
  4. Step 4: Simplify right side
    16,251.93x = 221,414,468.23
  5. Step 5: Solve for x
    x = 221,414,468.23/16,251.93
  6. Step 6: Final answer
    x = 13,623.89

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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.