Home / 19,950.27-27,530.12-10,997.85

Finding the Fourth Proportional to 19,950.27, 27,530.12 and 10,997.85

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Solution

The fourth proportional to 19,950.27, 27,530.12 and 10,997.85 is: 15,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.27 : 27,530.12 = 10,997.85 : x
  2. Step 2: Convert to fraction form
    19,950.27/27,530.12 = 10,997.85/x
  3. Step 3: Cross multiply
    19,950.27x = 27,530.12 × 10,997.85
  4. Step 4: Simplify right side
    19,950.27x = 302,772,130.24
  5. Step 5: Solve for x
    x = 302,772,130.24/19,950.27
  6. Step 6: Final answer
    x = 15,176.34

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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.