Home / 20,186.67-30,282.07-7,717.19

Finding the Fourth Proportional to 20,186.67, 30,282.07 and 7,717.19

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Solution

The fourth proportional to 20,186.67, 30,282.07 and 7,717.19 is: 11,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.67 : 30,282.07 = 7,717.19 : x
  2. Step 2: Convert to fraction form
    20,186.67/30,282.07 = 7,717.19/x
  3. Step 3: Cross multiply
    20,186.67x = 30,282.07 × 7,717.19
  4. Step 4: Simplify right side
    20,186.67x = 233,692,501.89
  5. Step 5: Solve for x
    x = 233,692,501.89/20,186.67
  6. Step 6: Final answer
    x = 11,576.58

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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.