Home / 16,115.82-22,240.22-9,042.77

Finding the Fourth Proportional to 16,115.82, 22,240.22 and 9,042.77

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Solution

The fourth proportional to 16,115.82, 22,240.22 and 9,042.77 is: 12,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.82 : 22,240.22 = 9,042.77 : x
  2. Step 2: Convert to fraction form
    16,115.82/22,240.22 = 9,042.77/x
  3. Step 3: Cross multiply
    16,115.82x = 22,240.22 × 9,042.77
  4. Step 4: Simplify right side
    16,115.82x = 201,113,037.79
  5. Step 5: Solve for x
    x = 201,113,037.79/16,115.82
  6. Step 6: Final answer
    x = 12,479.23

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Half scale
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Double scale
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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.