Home / 23,905.44-32,990.32-13,150.78

Finding the Fourth Proportional to 23,905.44, 32,990.32 and 13,150.78

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Solution

The fourth proportional to 23,905.44, 32,990.32 and 13,150.78 is: 18,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.44 : 32,990.32 = 13,150.78 : x
  2. Step 2: Convert to fraction form
    23,905.44/32,990.32 = 13,150.78/x
  3. Step 3: Cross multiply
    23,905.44x = 32,990.32 × 13,150.78
  4. Step 4: Simplify right side
    23,905.44x = 433,848,440.45
  5. Step 5: Solve for x
    x = 433,848,440.45/23,905.44
  6. Step 6: Final answer
    x = 18,148.52

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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.