Home / 18,737.62-25,857.69-10,353.94

Finding the Fourth Proportional to 18,737.62, 25,857.69 and 10,353.94

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Solution

The fourth proportional to 18,737.62, 25,857.69 and 10,353.94 is: 14,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.62 : 25,857.69 = 10,353.94 : x
  2. Step 2: Convert to fraction form
    18,737.62/25,857.69 = 10,353.94/x
  3. Step 3: Cross multiply
    18,737.62x = 25,857.69 × 10,353.94
  4. Step 4: Simplify right side
    18,737.62x = 267,728,970.80
  5. Step 5: Solve for x
    x = 267,728,970.80/18,737.62
  6. Step 6: Final answer
    x = 14,288.31

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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.