Home / 19,824.66-27,350.99-11,320.68

Finding the Fourth Proportional to 19,824.66, 27,350.99 and 11,320.68

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Solution

The fourth proportional to 19,824.66, 27,350.99 and 11,320.68 is: 15,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.66 : 27,350.99 = 11,320.68 : x
  2. Step 2: Convert to fraction form
    19,824.66/27,350.99 = 11,320.68/x
  3. Step 3: Cross multiply
    19,824.66x = 27,350.99 × 11,320.68
  4. Step 4: Simplify right side
    19,824.66x = 309,631,748.87
  5. Step 5: Solve for x
    x = 309,631,748.87/19,824.66
  6. Step 6: Final answer
    x = 15,618.51

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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.