Home / 20,102.43-27,744.66-19,216.56

Finding the Fourth Proportional to 20,102.43, 27,744.66 and 19,216.56

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Solution

The fourth proportional to 20,102.43, 27,744.66 and 19,216.56 is: 26,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.43 : 27,744.66 = 19,216.56 : x
  2. Step 2: Convert to fraction form
    20,102.43/27,744.66 = 19,216.56/x
  3. Step 3: Cross multiply
    20,102.43x = 27,744.66 × 19,216.56
  4. Step 4: Simplify right side
    20,102.43x = 533,156,923.57
  5. Step 5: Solve for x
    x = 533,156,923.57/20,102.43
  6. Step 6: Final answer
    x = 26,522.01

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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.