Home / 19,790.41-27,310.75-10,838.09

Finding the Fourth Proportional to 19,790.41, 27,310.75 and 10,838.09

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Solution

The fourth proportional to 19,790.41, 27,310.75 and 10,838.09 is: 14,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.41 : 27,310.75 = 10,838.09 : x
  2. Step 2: Convert to fraction form
    19,790.41/27,310.75 = 10,838.09/x
  3. Step 3: Cross multiply
    19,790.41x = 27,310.75 × 10,838.09
  4. Step 4: Simplify right side
    19,790.41x = 295,996,366.47
  5. Step 5: Solve for x
    x = 295,996,366.47/19,790.41
  6. Step 6: Final answer
    x = 14,956.56

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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.