Home / 18,760.42-25,881.36-10,800.96

Finding the Fourth Proportional to 18,760.42, 25,881.36 and 10,800.96

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Solution

The fourth proportional to 18,760.42, 25,881.36 and 10,800.96 is: 14,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.42 : 25,881.36 = 10,800.96 : x
  2. Step 2: Convert to fraction form
    18,760.42/25,881.36 = 10,800.96/x
  3. Step 3: Cross multiply
    18,760.42x = 25,881.36 × 10,800.96
  4. Step 4: Simplify right side
    18,760.42x = 279,543,396.55
  5. Step 5: Solve for x
    x = 279,543,396.55/18,760.42
  6. Step 6: Final answer
    x = 14,900.70

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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.