Home / 13,627.04-20,440.51-3,766.30

Finding the Fourth Proportional to 13,627.04, 20,440.51 and 3,766.30

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Solution

The fourth proportional to 13,627.04, 20,440.51 and 3,766.30 is: 5,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.04 : 20,440.51 = 3,766.30 : x
  2. Step 2: Convert to fraction form
    13,627.04/20,440.51 = 3,766.30/x
  3. Step 3: Cross multiply
    13,627.04x = 20,440.51 × 3,766.30
  4. Step 4: Simplify right side
    13,627.04x = 76,985,092.81
  5. Step 5: Solve for x
    x = 76,985,092.81/13,627.04
  6. Step 6: Final answer
    x = 5,649.44

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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.