Home / 19,388.48-29,082.83-6,908.99

Finding the Fourth Proportional to 19,388.48, 29,082.83 and 6,908.99

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Solution

The fourth proportional to 19,388.48, 29,082.83 and 6,908.99 is: 10,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.48 : 29,082.83 = 6,908.99 : x
  2. Step 2: Convert to fraction form
    19,388.48/29,082.83 = 6,908.99/x
  3. Step 3: Cross multiply
    19,388.48x = 29,082.83 × 6,908.99
  4. Step 4: Simplify right side
    19,388.48x = 200,932,801.68
  5. Step 5: Solve for x
    x = 200,932,801.68/19,388.48
  6. Step 6: Final answer
    x = 10,363.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.