Home / 19,806.71-27,333.26-10,854.56

Finding the Fourth Proportional to 19,806.71, 27,333.26 and 10,854.56

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Solution

The fourth proportional to 19,806.71, 27,333.26 and 10,854.56 is: 14,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.71 : 27,333.26 = 10,854.56 : x
  2. Step 2: Convert to fraction form
    19,806.71/27,333.26 = 10,854.56/x
  3. Step 3: Cross multiply
    19,806.71x = 27,333.26 × 10,854.56
  4. Step 4: Simplify right side
    19,806.71x = 296,690,319.73
  5. Step 5: Solve for x
    x = 296,690,319.73/19,806.71
  6. Step 6: Final answer
    x = 14,979.29

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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.