Home / 15,988.44-23,982.90-6,128.22

Finding the Fourth Proportional to 15,988.44, 23,982.90 and 6,128.22

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Solution

The fourth proportional to 15,988.44, 23,982.90 and 6,128.22 is: 9,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.44 : 23,982.90 = 6,128.22 : x
  2. Step 2: Convert to fraction form
    15,988.44/23,982.90 = 6,128.22/x
  3. Step 3: Cross multiply
    15,988.44x = 23,982.90 × 6,128.22
  4. Step 4: Simplify right side
    15,988.44x = 146,972,487.44
  5. Step 5: Solve for x
    x = 146,972,487.44/15,988.44
  6. Step 6: Final answer
    x = 9,192.42

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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.