Home / 20,193.10-30,253.20-17,860.30

Finding the Fourth Proportional to 20,193.10, 30,253.20 and 17,860.30

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Solution

The fourth proportional to 20,193.10, 30,253.20 and 17,860.30 is: 26,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.10 : 30,253.20 = 17,860.30 : x
  2. Step 2: Convert to fraction form
    20,193.10/30,253.20 = 17,860.30/x
  3. Step 3: Cross multiply
    20,193.10x = 30,253.20 × 17,860.30
  4. Step 4: Simplify right side
    20,193.10x = 540,331,227.96
  5. Step 5: Solve for x
    x = 540,331,227.96/20,193.10
  6. Step 6: Final answer
    x = 26,758.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.