Home / 18,538.08-25,581.60-10,152.96

Finding the Fourth Proportional to 18,538.08, 25,581.60 and 10,152.96

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Solution

The fourth proportional to 18,538.08, 25,581.60 and 10,152.96 is: 14,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.08 : 25,581.60 = 10,152.96 : x
  2. Step 2: Convert to fraction form
    18,538.08/25,581.60 = 10,152.96/x
  3. Step 3: Cross multiply
    18,538.08x = 25,581.60 × 10,152.96
  4. Step 4: Simplify right side
    18,538.08x = 259,728,961.54
  5. Step 5: Solve for x
    x = 259,728,961.54/18,538.08
  6. Step 6: Final answer
    x = 14,010.56

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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.