Home / 19,788.90-27,308.57-10,836.33

Finding the Fourth Proportional to 19,788.90, 27,308.57 and 10,836.33

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Solution

The fourth proportional to 19,788.90, 27,308.57 and 10,836.33 is: 14,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.90 : 27,308.57 = 10,836.33 : x
  2. Step 2: Convert to fraction form
    19,788.90/27,308.57 = 10,836.33/x
  3. Step 3: Cross multiply
    19,788.90x = 27,308.57 × 10,836.33
  4. Step 4: Simplify right side
    19,788.90x = 295,924,622.17
  5. Step 5: Solve for x
    x = 295,924,622.17/19,788.90
  6. Step 6: Final answer
    x = 14,954.07

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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.