Home / 13,369.72-20,032.66-9,467.12

Finding the Fourth Proportional to 13,369.72, 20,032.66 and 9,467.12

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Solution

The fourth proportional to 13,369.72, 20,032.66 and 9,467.12 is: 14,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.72 : 20,032.66 = 9,467.12 : x
  2. Step 2: Convert to fraction form
    13,369.72/20,032.66 = 9,467.12/x
  3. Step 3: Cross multiply
    13,369.72x = 20,032.66 × 9,467.12
  4. Step 4: Simplify right side
    13,369.72x = 189,651,596.14
  5. Step 5: Solve for x
    x = 189,651,596.14/13,369.72
  6. Step 6: Final answer
    x = 14,185.16

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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.