Home / 18,247.44-27,420.60-9,933.60

Finding the Fourth Proportional to 18,247.44, 27,420.60 and 9,933.60

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Solution

The fourth proportional to 18,247.44, 27,420.60 and 9,933.60 is: 14,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.44 : 27,420.60 = 9,933.60 : x
  2. Step 2: Convert to fraction form
    18,247.44/27,420.60 = 9,933.60/x
  3. Step 3: Cross multiply
    18,247.44x = 27,420.60 × 9,933.60
  4. Step 4: Simplify right side
    18,247.44x = 272,385,272.16
  5. Step 5: Solve for x
    x = 272,385,272.16/18,247.44
  6. Step 6: Final answer
    x = 14,927.31

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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.