Home / 18,737.32-25,855.30-10,353.32

Finding the Fourth Proportional to 18,737.32, 25,855.30 and 10,353.32

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Solution

The fourth proportional to 18,737.32, 25,855.30 and 10,353.32 is: 14,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.32 : 25,855.30 = 10,353.32 : x
  2. Step 2: Convert to fraction form
    18,737.32/25,855.30 = 10,353.32/x
  3. Step 3: Cross multiply
    18,737.32x = 25,855.30 × 10,353.32
  4. Step 4: Simplify right side
    18,737.32x = 267,688,194.60
  5. Step 5: Solve for x
    x = 267,688,194.60/18,737.32
  6. Step 6: Final answer
    x = 14,286.37

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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.