Home / 13,007.40-19,467.90-11,452.20

Finding the Fourth Proportional to 13,007.40, 19,467.90 and 11,452.20

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Solution

The fourth proportional to 13,007.40, 19,467.90 and 11,452.20 is: 17,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.40 : 19,467.90 = 11,452.20 : x
  2. Step 2: Convert to fraction form
    13,007.40/19,467.90 = 11,452.20/x
  3. Step 3: Cross multiply
    13,007.40x = 19,467.90 × 11,452.20
  4. Step 4: Simplify right side
    13,007.40x = 222,950,284.38
  5. Step 5: Solve for x
    x = 222,950,284.38/13,007.40
  6. Step 6: Final answer
    x = 17,140.27

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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.