Home / 19,789.15-27,308.65-10,836.49

Finding the Fourth Proportional to 19,789.15, 27,308.65 and 10,836.49

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Solution

The fourth proportional to 19,789.15, 27,308.65 and 10,836.49 is: 14,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.15 : 27,308.65 = 10,836.49 : x
  2. Step 2: Convert to fraction form
    19,789.15/27,308.65 = 10,836.49/x
  3. Step 3: Cross multiply
    19,789.15x = 27,308.65 × 10,836.49
  4. Step 4: Simplify right side
    19,789.15x = 295,929,912.64
  5. Step 5: Solve for x
    x = 295,929,912.64/19,789.15
  6. Step 6: Final answer
    x = 14,954.15

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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.