Home / 16,029.66-22,121.91-8,956.50

Finding the Fourth Proportional to 16,029.66, 22,121.91 and 8,956.50

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Solution

The fourth proportional to 16,029.66, 22,121.91 and 8,956.50 is: 12,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.66 : 22,121.91 = 8,956.50 : x
  2. Step 2: Convert to fraction form
    16,029.66/22,121.91 = 8,956.50/x
  3. Step 3: Cross multiply
    16,029.66x = 22,121.91 × 8,956.50
  4. Step 4: Simplify right side
    16,029.66x = 198,134,886.92
  5. Step 5: Solve for x
    x = 198,134,886.92/16,029.66
  6. Step 6: Final answer
    x = 12,360.52

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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.