Home / 19,783.87-27,301.82-10,832.20

Finding the Fourth Proportional to 19,783.87, 27,301.82 and 10,832.20

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Solution

The fourth proportional to 19,783.87, 27,301.82 and 10,832.20 is: 14,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.87 : 27,301.82 = 10,832.20 : x
  2. Step 2: Convert to fraction form
    19,783.87/27,301.82 = 10,832.20/x
  3. Step 3: Cross multiply
    19,783.87x = 27,301.82 × 10,832.20
  4. Step 4: Simplify right side
    19,783.87x = 295,738,788.70
  5. Step 5: Solve for x
    x = 295,738,788.70/19,783.87
  6. Step 6: Final answer
    x = 14,948.48

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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.