Home / 18,537.38-25,581.67-10,153.88

Finding the Fourth Proportional to 18,537.38, 25,581.67 and 10,153.88

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Solution

The fourth proportional to 18,537.38, 25,581.67 and 10,153.88 is: 14,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.38 : 25,581.67 = 10,153.88 : x
  2. Step 2: Convert to fraction form
    18,537.38/25,581.67 = 10,153.88/x
  3. Step 3: Cross multiply
    18,537.38x = 25,581.67 × 10,153.88
  4. Step 4: Simplify right side
    18,537.38x = 259,753,054.09
  5. Step 5: Solve for x
    x = 259,753,054.09/18,537.38
  6. Step 6: Final answer
    x = 14,012.40

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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.