Home / 20,634.44-28,477.28-11,683.52

Finding the Fourth Proportional to 20,634.44, 28,477.28 and 11,683.52

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Solution

The fourth proportional to 20,634.44, 28,477.28 and 11,683.52 is: 16,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.44 : 28,477.28 = 11,683.52 : x
  2. Step 2: Convert to fraction form
    20,634.44/28,477.28 = 11,683.52/x
  3. Step 3: Cross multiply
    20,634.44x = 28,477.28 × 11,683.52
  4. Step 4: Simplify right side
    20,634.44x = 332,714,757.25
  5. Step 5: Solve for x
    x = 332,714,757.25/20,634.44
  6. Step 6: Final answer
    x = 16,124.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.