Home / 18,749.14-25,874.18-10,251.79

Finding the Fourth Proportional to 18,749.14, 25,874.18 and 10,251.79

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Solution

The fourth proportional to 18,749.14, 25,874.18 and 10,251.79 is: 14,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.14 : 25,874.18 = 10,251.79 : x
  2. Step 2: Convert to fraction form
    18,749.14/25,874.18 = 10,251.79/x
  3. Step 3: Cross multiply
    18,749.14x = 25,874.18 × 10,251.79
  4. Step 4: Simplify right side
    18,749.14x = 265,256,661.92
  5. Step 5: Solve for x
    x = 265,256,661.92/18,749.14
  6. Step 6: Final answer
    x = 14,147.67

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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.