Home / 20,451.44-30,683.60-7,303.52

Finding the Fourth Proportional to 20,451.44, 30,683.60 and 7,303.52

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Solution

The fourth proportional to 20,451.44, 30,683.60 and 7,303.52 is: 10,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.44 : 30,683.60 = 7,303.52 : x
  2. Step 2: Convert to fraction form
    20,451.44/30,683.60 = 7,303.52/x
  3. Step 3: Cross multiply
    20,451.44x = 30,683.60 × 7,303.52
  4. Step 4: Simplify right side
    20,451.44x = 224,098,286.27
  5. Step 5: Solve for x
    x = 224,098,286.27/20,451.44
  6. Step 6: Final answer
    x = 10,957.58

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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.