Home / 18,749.56-25,874.22-10,366.12

Finding the Fourth Proportional to 18,749.56, 25,874.22 and 10,366.12

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Solution

The fourth proportional to 18,749.56, 25,874.22 and 10,366.12 is: 14,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.56 : 25,874.22 = 10,366.12 : x
  2. Step 2: Convert to fraction form
    18,749.56/25,874.22 = 10,366.12/x
  3. Step 3: Cross multiply
    18,749.56x = 25,874.22 × 10,366.12
  4. Step 4: Simplify right side
    18,749.56x = 268,215,269.43
  5. Step 5: Solve for x
    x = 268,215,269.43/18,749.56
  6. Step 6: Final answer
    x = 14,305.15

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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.