Home / 16,186.91-22,334.95-9,111.83

Finding the Fourth Proportional to 16,186.91, 22,334.95 and 9,111.83

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Solution

The fourth proportional to 16,186.91, 22,334.95 and 9,111.83 is: 12,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.91 : 22,334.95 = 9,111.83 : x
  2. Step 2: Convert to fraction form
    16,186.91/22,334.95 = 9,111.83/x
  3. Step 3: Cross multiply
    16,186.91x = 22,334.95 × 9,111.83
  4. Step 4: Simplify right side
    16,186.91x = 203,512,267.46
  5. Step 5: Solve for x
    x = 203,512,267.46/16,186.91
  6. Step 6: Final answer
    x = 12,572.64

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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.