Home / 16,054.78-22,154.64-9,338.88

Finding the Fourth Proportional to 16,054.78, 22,154.64 and 9,338.88

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Solution

The fourth proportional to 16,054.78, 22,154.64 and 9,338.88 is: 12,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.78 : 22,154.64 = 9,338.88 : x
  2. Step 2: Convert to fraction form
    16,054.78/22,154.64 = 9,338.88/x
  3. Step 3: Cross multiply
    16,054.78x = 22,154.64 × 9,338.88
  4. Step 4: Simplify right side
    16,054.78x = 206,899,524.40
  5. Step 5: Solve for x
    x = 206,899,524.40/16,054.78
  6. Step 6: Final answer
    x = 12,887.10

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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.