Home / 40,825.20-61,243.38-14,523.60

Finding the Fourth Proportional to 40,825.20, 61,243.38 and 14,523.60

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Solution

The fourth proportional to 40,825.20, 61,243.38 and 14,523.60 is: 21,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825.20 : 61,243.38 = 14,523.60 : x
  2. Step 2: Convert to fraction form
    40,825.20/61,243.38 = 14,523.60/x
  3. Step 3: Cross multiply
    40,825.20x = 61,243.38 × 14,523.60
  4. Step 4: Simplify right side
    40,825.20x = 889,474,353.77
  5. Step 5: Solve for x
    x = 889,474,353.77/40,825.20
  6. Step 6: Final answer
    x = 21,787.39

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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.