Home / 18,747.56-25,872.57-10,790.93

Finding the Fourth Proportional to 18,747.56, 25,872.57 and 10,790.93

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Solution

The fourth proportional to 18,747.56, 25,872.57 and 10,790.93 is: 14,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.56 : 25,872.57 = 10,790.93 : x
  2. Step 2: Convert to fraction form
    18,747.56/25,872.57 = 10,790.93/x
  3. Step 3: Cross multiply
    18,747.56x = 25,872.57 × 10,790.93
  4. Step 4: Simplify right side
    18,747.56x = 279,188,962.43
  5. Step 5: Solve for x
    x = 279,188,962.43/18,747.56
  6. Step 6: Final answer
    x = 14,892.02

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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.