Home / 14,774.20-20,388.37-11,000.60

Finding the Fourth Proportional to 14,774.20, 20,388.37 and 11,000.60

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Solution

The fourth proportional to 14,774.20, 20,388.37 and 11,000.60 is: 15,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.20 : 20,388.37 = 11,000.60 : x
  2. Step 2: Convert to fraction form
    14,774.20/20,388.37 = 11,000.60/x
  3. Step 3: Cross multiply
    14,774.20x = 20,388.37 × 11,000.60
  4. Step 4: Simplify right side
    14,774.20x = 224,284,303.02
  5. Step 5: Solve for x
    x = 224,284,303.02/14,774.20
  6. Step 6: Final answer
    x = 15,180.81

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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.