Home / 14,613.40-21,917.58-5,251.72

Finding the Fourth Proportional to 14,613.40, 21,917.58 and 5,251.72

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Solution

The fourth proportional to 14,613.40, 21,917.58 and 5,251.72 is: 7,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.40 : 21,917.58 = 5,251.72 : x
  2. Step 2: Convert to fraction form
    14,613.40/21,917.58 = 5,251.72/x
  3. Step 3: Cross multiply
    14,613.40x = 21,917.58 × 5,251.72
  4. Step 4: Simplify right side
    14,613.40x = 115,104,993.24
  5. Step 5: Solve for x
    x = 115,104,993.24/14,613.40
  6. Step 6: Final answer
    x = 7,876.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.