Home / 36,193.10-54,270.45-12,820.30

Finding the Fourth Proportional to 36,193.10, 54,270.45 and 12,820.30

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Solution

The fourth proportional to 36,193.10, 54,270.45 and 12,820.30 is: 19,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,193.10 : 54,270.45 = 12,820.30 : x
  2. Step 2: Convert to fraction form
    36,193.10/54,270.45 = 12,820.30/x
  3. Step 3: Cross multiply
    36,193.10x = 54,270.45 × 12,820.30
  4. Step 4: Simplify right side
    36,193.10x = 695,763,450.14
  5. Step 5: Solve for x
    x = 695,763,450.14/36,193.10
  6. Step 6: Final answer
    x = 19,223.65

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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.