Home / 16,051.93-22,151.24-8,979.01

Finding the Fourth Proportional to 16,051.93, 22,151.24 and 8,979.01

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Solution

The fourth proportional to 16,051.93, 22,151.24 and 8,979.01 is: 12,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,051.93 : 22,151.24 = 8,979.01 : x
  2. Step 2: Convert to fraction form
    16,051.93/22,151.24 = 8,979.01/x
  3. Step 3: Cross multiply
    16,051.93x = 22,151.24 × 8,979.01
  4. Step 4: Simplify right side
    16,051.93x = 198,896,138.87
  5. Step 5: Solve for x
    x = 198,896,138.87/16,051.93
  6. Step 6: Final answer
    x = 12,390.79

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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.