Home / 19,788.24-27,273.60-17,254.56

Finding the Fourth Proportional to 19,788.24, 27,273.60 and 17,254.56

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Solution

The fourth proportional to 19,788.24, 27,273.60 and 17,254.56 is: 23,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.24 : 27,273.60 = 17,254.56 : x
  2. Step 2: Convert to fraction form
    19,788.24/27,273.60 = 17,254.56/x
  3. Step 3: Cross multiply
    19,788.24x = 27,273.60 × 17,254.56
  4. Step 4: Simplify right side
    19,788.24x = 470,593,967.62
  5. Step 5: Solve for x
    x = 470,593,967.62/19,788.24
  6. Step 6: Final answer
    x = 23,781.50

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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.