Home / 20,114.74-30,174.18-6,967.09

Finding the Fourth Proportional to 20,114.74, 30,174.18 and 6,967.09

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Solution

The fourth proportional to 20,114.74, 30,174.18 and 6,967.09 is: 10,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.74 : 30,174.18 = 6,967.09 : x
  2. Step 2: Convert to fraction form
    20,114.74/30,174.18 = 6,967.09/x
  3. Step 3: Cross multiply
    20,114.74x = 30,174.18 × 6,967.09
  4. Step 4: Simplify right side
    20,114.74x = 210,226,227.74
  5. Step 5: Solve for x
    x = 210,226,227.74/20,114.74
  6. Step 6: Final answer
    x = 10,451.35

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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.