Home / 19,788.60-27,308.92-10,836.48

Finding the Fourth Proportional to 19,788.60, 27,308.92 and 10,836.48

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Solution

The fourth proportional to 19,788.60, 27,308.92 and 10,836.48 is: 14,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.60 : 27,308.92 = 10,836.48 : x
  2. Step 2: Convert to fraction form
    19,788.60/27,308.92 = 10,836.48/x
  3. Step 3: Cross multiply
    19,788.60x = 27,308.92 × 10,836.48
  4. Step 4: Simplify right side
    19,788.60x = 295,932,565.40
  5. Step 5: Solve for x
    x = 295,932,565.40/19,788.60
  6. Step 6: Final answer
    x = 14,954.70

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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.