Home / 19,931.26-27,305.96-19,183.90

Finding the Fourth Proportional to 19,931.26, 27,305.96 and 19,183.90

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Solution

The fourth proportional to 19,931.26, 27,305.96 and 19,183.90 is: 26,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.26 : 27,305.96 = 19,183.90 : x
  2. Step 2: Convert to fraction form
    19,931.26/27,305.96 = 19,183.90/x
  3. Step 3: Cross multiply
    19,931.26x = 27,305.96 × 19,183.90
  4. Step 4: Simplify right side
    19,931.26x = 523,834,806.04
  5. Step 5: Solve for x
    x = 523,834,806.04/19,931.26
  6. Step 6: Final answer
    x = 26,282.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.