Home / 12,401.12-18,578.24-9,614.16

Finding the Fourth Proportional to 12,401.12, 18,578.24 and 9,614.16

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Solution

The fourth proportional to 12,401.12, 18,578.24 and 9,614.16 is: 14,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.12 : 18,578.24 = 9,614.16 : x
  2. Step 2: Convert to fraction form
    12,401.12/18,578.24 = 9,614.16/x
  3. Step 3: Cross multiply
    12,401.12x = 18,578.24 × 9,614.16
  4. Step 4: Simplify right side
    12,401.12x = 178,614,171.88
  5. Step 5: Solve for x
    x = 178,614,171.88/12,401.12
  6. Step 6: Final answer
    x = 14,403.07

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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.