Home / 20,183.48-27,870.90-19,522.52

Finding the Fourth Proportional to 20,183.48, 27,870.90 and 19,522.52

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Solution

The fourth proportional to 20,183.48, 27,870.90 and 19,522.52 is: 26,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.48 : 27,870.90 = 19,522.52 : x
  2. Step 2: Convert to fraction form
    20,183.48/27,870.90 = 19,522.52/x
  3. Step 3: Cross multiply
    20,183.48x = 27,870.90 × 19,522.52
  4. Step 4: Simplify right side
    20,183.48x = 544,110,202.67
  5. Step 5: Solve for x
    x = 544,110,202.67/20,183.48
  6. Step 6: Final answer
    x = 26,958.20

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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.