Home / 23,388.16-32,273.44-12,777.12

Finding the Fourth Proportional to 23,388.16, 32,273.44 and 12,777.12

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Solution

The fourth proportional to 23,388.16, 32,273.44 and 12,777.12 is: 17,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.16 : 32,273.44 = 12,777.12 : x
  2. Step 2: Convert to fraction form
    23,388.16/32,273.44 = 12,777.12/x
  3. Step 3: Cross multiply
    23,388.16x = 32,273.44 × 12,777.12
  4. Step 4: Simplify right side
    23,388.16x = 412,361,615.69
  5. Step 5: Solve for x
    x = 412,361,615.69/23,388.16
  6. Step 6: Final answer
    x = 17,631.21

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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.