Home / 15,057.72-22,571.58-7,146.36

Finding the Fourth Proportional to 15,057.72, 22,571.58 and 7,146.36

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Solution

The fourth proportional to 15,057.72, 22,571.58 and 7,146.36 is: 10,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.72 : 22,571.58 = 7,146.36 : x
  2. Step 2: Convert to fraction form
    15,057.72/22,571.58 = 7,146.36/x
  3. Step 3: Cross multiply
    15,057.72x = 22,571.58 × 7,146.36
  4. Step 4: Simplify right side
    15,057.72x = 161,304,636.45
  5. Step 5: Solve for x
    x = 161,304,636.45/15,057.72
  6. Step 6: Final answer
    x = 10,712.42

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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.