Home / 19,964.30-27,550.58-11,011.60

Finding the Fourth Proportional to 19,964.30, 27,550.58 and 11,011.60

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Solution

The fourth proportional to 19,964.30, 27,550.58 and 11,011.60 is: 15,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.30 : 27,550.58 = 11,011.60 : x
  2. Step 2: Convert to fraction form
    19,964.30/27,550.58 = 11,011.60/x
  3. Step 3: Cross multiply
    19,964.30x = 27,550.58 × 11,011.60
  4. Step 4: Simplify right side
    19,964.30x = 303,375,925.38
  5. Step 5: Solve for x
    x = 303,375,925.38/19,964.30
  6. Step 6: Final answer
    x = 15,195.92

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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.