Home / 19,997.27-27,601.57-11,500.32

Finding the Fourth Proportional to 19,997.27, 27,601.57 and 11,500.32

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Solution

The fourth proportional to 19,997.27, 27,601.57 and 11,500.32 is: 15,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.27 : 27,601.57 = 11,500.32 : x
  2. Step 2: Convert to fraction form
    19,997.27/27,601.57 = 11,500.32/x
  3. Step 3: Cross multiply
    19,997.27x = 27,601.57 × 11,500.32
  4. Step 4: Simplify right side
    19,997.27x = 317,426,887.50
  5. Step 5: Solve for x
    x = 317,426,887.50/19,997.27
  6. Step 6: Final answer
    x = 15,873.51

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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.