Home / 16,918.81-23,338.57-9,844.45

Finding the Fourth Proportional to 16,918.81, 23,338.57 and 9,844.45

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Solution

The fourth proportional to 16,918.81, 23,338.57 and 9,844.45 is: 13,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.81 : 23,338.57 = 9,844.45 : x
  2. Step 2: Convert to fraction form
    16,918.81/23,338.57 = 9,844.45/x
  3. Step 3: Cross multiply
    16,918.81x = 23,338.57 × 9,844.45
  4. Step 4: Simplify right side
    16,918.81x = 229,755,385.44
  5. Step 5: Solve for x
    x = 229,755,385.44/16,918.81
  6. Step 6: Final answer
    x = 13,579.88

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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.