Home / 19,904.36-27,469.68-10,953.56

Finding the Fourth Proportional to 19,904.36, 27,469.68 and 10,953.56

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Solution

The fourth proportional to 19,904.36, 27,469.68 and 10,953.56 is: 15,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.36 : 27,469.68 = 10,953.56 : x
  2. Step 2: Convert to fraction form
    19,904.36/27,469.68 = 10,953.56/x
  3. Step 3: Cross multiply
    19,904.36x = 27,469.68 × 10,953.56
  4. Step 4: Simplify right side
    19,904.36x = 300,890,788.06
  5. Step 5: Solve for x
    x = 300,890,788.06/19,904.36
  6. Step 6: Final answer
    x = 15,116.83

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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.