Home / 16,443.24-22,691.64-8,889.57

Finding the Fourth Proportional to 16,443.24, 22,691.64 and 8,889.57

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Solution

The fourth proportional to 16,443.24, 22,691.64 and 8,889.57 is: 12,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,443.24 : 22,691.64 = 8,889.57 : x
  2. Step 2: Convert to fraction form
    16,443.24/22,691.64 = 8,889.57/x
  3. Step 3: Cross multiply
    16,443.24x = 22,691.64 × 8,889.57
  4. Step 4: Simplify right side
    16,443.24x = 201,718,922.19
  5. Step 5: Solve for x
    x = 201,718,922.19/16,443.24
  6. Step 6: Final answer
    x = 12,267.59

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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.