Home / 12,400.14-18,576.75-9,613.17

Finding the Fourth Proportional to 12,400.14, 18,576.75 and 9,613.17

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Solution

The fourth proportional to 12,400.14, 18,576.75 and 9,613.17 is: 14,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.14 : 18,576.75 = 9,613.17 : x
  2. Step 2: Convert to fraction form
    12,400.14/18,576.75 = 9,613.17/x
  3. Step 3: Cross multiply
    12,400.14x = 18,576.75 × 9,613.17
  4. Step 4: Simplify right side
    12,400.14x = 178,581,455.80
  5. Step 5: Solve for x
    x = 178,581,455.80/12,400.14
  6. Step 6: Final answer
    x = 14,401.57

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1.5x scale

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.