Home / 15,067.05-20,792.89-8,261.46

Finding the Fourth Proportional to 15,067.05, 20,792.89 and 8,261.46

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Solution

The fourth proportional to 15,067.05, 20,792.89 and 8,261.46 is: 11,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.05 : 20,792.89 = 8,261.46 : x
  2. Step 2: Convert to fraction form
    15,067.05/20,792.89 = 8,261.46/x
  3. Step 3: Cross multiply
    15,067.05x = 20,792.89 × 8,261.46
  4. Step 4: Simplify right side
    15,067.05x = 171,779,525.05
  5. Step 5: Solve for x
    x = 171,779,525.05/15,067.05
  6. Step 6: Final answer
    x = 11,401.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.