Home / 22,186.25-30,617.03-15,125.03

Finding the Fourth Proportional to 22,186.25, 30,617.03 and 15,125.03

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Solution

The fourth proportional to 22,186.25, 30,617.03 and 15,125.03 is: 20,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.25 : 30,617.03 = 15,125.03 : x
  2. Step 2: Convert to fraction form
    22,186.25/30,617.03 = 15,125.03/x
  3. Step 3: Cross multiply
    22,186.25x = 30,617.03 × 15,125.03
  4. Step 4: Simplify right side
    22,186.25x = 463,083,497.26
  5. Step 5: Solve for x
    x = 463,083,497.26/22,186.25
  6. Step 6: Final answer
    x = 20,872.54

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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.