Home / 20,793.24-31,189.59-14,113.17

Finding the Fourth Proportional to 20,793.24, 31,189.59 and 14,113.17

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Solution

The fourth proportional to 20,793.24, 31,189.59 and 14,113.17 is: 21,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.24 : 31,189.59 = 14,113.17 : x
  2. Step 2: Convert to fraction form
    20,793.24/31,189.59 = 14,113.17/x
  3. Step 3: Cross multiply
    20,793.24x = 31,189.59 × 14,113.17
  4. Step 4: Simplify right side
    20,793.24x = 440,183,985.90
  5. Step 5: Solve for x
    x = 440,183,985.90/20,793.24
  6. Step 6: Final answer
    x = 21,169.57

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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.