Home / 19,964.10-27,550.68-11,011.92

Finding the Fourth Proportional to 19,964.10, 27,550.68 and 11,011.92

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Solution

The fourth proportional to 19,964.10, 27,550.68 and 11,011.92 is: 15,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.10 : 27,550.68 = 11,011.92 : x
  2. Step 2: Convert to fraction form
    19,964.10/27,550.68 = 11,011.92/x
  3. Step 3: Cross multiply
    19,964.10x = 27,550.68 × 11,011.92
  4. Step 4: Simplify right side
    19,964.10x = 303,385,884.11
  5. Step 5: Solve for x
    x = 303,385,884.11/19,964.10
  6. Step 6: Final answer
    x = 15,196.57

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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.