Home / 18,747.98-25,872.99-10,790.22

Finding the Fourth Proportional to 18,747.98, 25,872.99 and 10,790.22

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Solution

The fourth proportional to 18,747.98, 25,872.99 and 10,790.22 is: 14,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.98 : 25,872.99 = 10,790.22 : x
  2. Step 2: Convert to fraction form
    18,747.98/25,872.99 = 10,790.22/x
  3. Step 3: Cross multiply
    18,747.98x = 25,872.99 × 10,790.22
  4. Step 4: Simplify right side
    18,747.98x = 279,175,254.16
  5. Step 5: Solve for x
    x = 279,175,254.16/18,747.98
  6. Step 6: Final answer
    x = 14,890.96

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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.