Home / 20,114.40-30,175.36-6,967.52

Finding the Fourth Proportional to 20,114.40, 30,175.36 and 6,967.52

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Solution

The fourth proportional to 20,114.40, 30,175.36 and 6,967.52 is: 10,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.40 : 30,175.36 = 6,967.52 : x
  2. Step 2: Convert to fraction form
    20,114.40/30,175.36 = 6,967.52/x
  3. Step 3: Cross multiply
    20,114.40x = 30,175.36 × 6,967.52
  4. Step 4: Simplify right side
    20,114.40x = 210,247,424.31
  5. Step 5: Solve for x
    x = 210,247,424.31/20,114.40
  6. Step 6: Final answer
    x = 10,452.58

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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.