Home / 20,343.22-30,523.82-7,018.25

Finding the Fourth Proportional to 20,343.22, 30,523.82 and 7,018.25

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Solution

The fourth proportional to 20,343.22, 30,523.82 and 7,018.25 is: 10,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.22 : 30,523.82 = 7,018.25 : x
  2. Step 2: Convert to fraction form
    20,343.22/30,523.82 = 7,018.25/x
  3. Step 3: Cross multiply
    20,343.22x = 30,523.82 × 7,018.25
  4. Step 4: Simplify right side
    20,343.22x = 214,223,612.00
  5. Step 5: Solve for x
    x = 214,223,612.00/20,343.22
  6. Step 6: Final answer
    x = 10,530.47

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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.