Home / 16,274.88-22,459.44-9,105.12

Finding the Fourth Proportional to 16,274.88, 22,459.44 and 9,105.12

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Solution

The fourth proportional to 16,274.88, 22,459.44 and 9,105.12 is: 12,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,274.88 : 22,459.44 = 9,105.12 : x
  2. Step 2: Convert to fraction form
    16,274.88/22,459.44 = 9,105.12/x
  3. Step 3: Cross multiply
    16,274.88x = 22,459.44 × 9,105.12
  4. Step 4: Simplify right side
    16,274.88x = 204,495,896.33
  5. Step 5: Solve for x
    x = 204,495,896.33/16,274.88
  6. Step 6: Final answer
    x = 12,565.12

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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.