Home / 19,949.68-27,530.74-10,997.51

Finding the Fourth Proportional to 19,949.68, 27,530.74 and 10,997.51

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Solution

The fourth proportional to 19,949.68, 27,530.74 and 10,997.51 is: 15,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.68 : 27,530.74 = 10,997.51 : x
  2. Step 2: Convert to fraction form
    19,949.68/27,530.74 = 10,997.51/x
  3. Step 3: Cross multiply
    19,949.68x = 27,530.74 × 10,997.51
  4. Step 4: Simplify right side
    19,949.68x = 302,769,464.55
  5. Step 5: Solve for x
    x = 302,769,464.55/19,949.68
  6. Step 6: Final answer
    x = 15,176.66

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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.