Home / 20,046.33-30,071.32-5,255.19

Finding the Fourth Proportional to 20,046.33, 30,071.32 and 5,255.19

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Solution

The fourth proportional to 20,046.33, 30,071.32 and 5,255.19 is: 7,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.33 : 30,071.32 = 5,255.19 : x
  2. Step 2: Convert to fraction form
    20,046.33/30,071.32 = 5,255.19/x
  3. Step 3: Cross multiply
    20,046.33x = 30,071.32 × 5,255.19
  4. Step 4: Simplify right side
    20,046.33x = 158,030,487.01
  5. Step 5: Solve for x
    x = 158,030,487.01/20,046.33
  6. Step 6: Final answer
    x = 7,883.26

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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.