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Finding the Fourth Proportional to 16,127.13, 22,255.44 and 9,053.55

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Solution

The fourth proportional to 16,127.13, 22,255.44 and 9,053.55 is: 12,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,127.13 : 22,255.44 = 9,053.55 : x
  2. Step 2: Convert to fraction form
    16,127.13/22,255.44 = 9,053.55/x
  3. Step 3: Cross multiply
    16,127.13x = 22,255.44 × 9,053.55
  4. Step 4: Simplify right side
    16,127.13x = 201,490,738.81
  5. Step 5: Solve for x
    x = 201,490,738.81/16,127.13
  6. Step 6: Final answer
    x = 12,493.90

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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.