Home / 19,788.16-27,308.27-10,836.51

Finding the Fourth Proportional to 19,788.16, 27,308.27 and 10,836.51

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Solution

The fourth proportional to 19,788.16, 27,308.27 and 10,836.51 is: 14,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.16 : 27,308.27 = 10,836.51 : x
  2. Step 2: Convert to fraction form
    19,788.16/27,308.27 = 10,836.51/x
  3. Step 3: Cross multiply
    19,788.16x = 27,308.27 × 10,836.51
  4. Step 4: Simplify right side
    19,788.16x = 295,926,204.40
  5. Step 5: Solve for x
    x = 295,926,204.40/19,788.16
  6. Step 6: Final answer
    x = 14,954.71

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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.