Home / 13,652.92-20,476.48-3,789.55

Finding the Fourth Proportional to 13,652.92, 20,476.48 and 3,789.55

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Solution

The fourth proportional to 13,652.92, 20,476.48 and 3,789.55 is: 5,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.92 : 20,476.48 = 3,789.55 : x
  2. Step 2: Convert to fraction form
    13,652.92/20,476.48 = 3,789.55/x
  3. Step 3: Cross multiply
    13,652.92x = 20,476.48 × 3,789.55
  4. Step 4: Simplify right side
    13,652.92x = 77,596,644.78
  5. Step 5: Solve for x
    x = 77,596,644.78/13,652.92
  6. Step 6: Final answer
    x = 5,683.52

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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.