Home / 20,626.02-30,920.28-7,469.10

Finding the Fourth Proportional to 20,626.02, 30,920.28 and 7,469.10

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Solution

The fourth proportional to 20,626.02, 30,920.28 and 7,469.10 is: 11,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.02 : 30,920.28 = 7,469.10 : x
  2. Step 2: Convert to fraction form
    20,626.02/30,920.28 = 7,469.10/x
  3. Step 3: Cross multiply
    20,626.02x = 30,920.28 × 7,469.10
  4. Step 4: Simplify right side
    20,626.02x = 230,946,663.35
  5. Step 5: Solve for x
    x = 230,946,663.35/20,626.02
  6. Step 6: Final answer
    x = 11,196.86

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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.