Home / 18,537.10-25,581.20-10,153.60

Finding the Fourth Proportional to 18,537.10, 25,581.20 and 10,153.60

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Solution

The fourth proportional to 18,537.10, 25,581.20 and 10,153.60 is: 14,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.10 : 25,581.20 = 10,153.60 : x
  2. Step 2: Convert to fraction form
    18,537.10/25,581.20 = 10,153.60/x
  3. Step 3: Cross multiply
    18,537.10x = 25,581.20 × 10,153.60
  4. Step 4: Simplify right side
    18,537.10x = 259,741,272.32
  5. Step 5: Solve for x
    x = 259,741,272.32/18,537.10
  6. Step 6: Final answer
    x = 14,011.97

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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.