Home / 13,005.16-19,467.30-7,067.20

Finding the Fourth Proportional to 13,005.16, 19,467.30 and 7,067.20

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Solution

The fourth proportional to 13,005.16, 19,467.30 and 7,067.20 is: 10,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.16 : 19,467.30 = 7,067.20 : x
  2. Step 2: Convert to fraction form
    13,005.16/19,467.30 = 7,067.20/x
  3. Step 3: Cross multiply
    13,005.16x = 19,467.30 × 7,067.20
  4. Step 4: Simplify right side
    13,005.16x = 137,579,302.56
  5. Step 5: Solve for x
    x = 137,579,302.56/13,005.16
  6. Step 6: Final answer
    x = 10,578.82

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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.