Home / 20,554.25-30,831.38-6,703.25

Finding the Fourth Proportional to 20,554.25, 30,831.38 and 6,703.25

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Solution

The fourth proportional to 20,554.25, 30,831.38 and 6,703.25 is: 10,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.25 : 30,831.38 = 6,703.25 : x
  2. Step 2: Convert to fraction form
    20,554.25/30,831.38 = 6,703.25/x
  3. Step 3: Cross multiply
    20,554.25x = 30,831.38 × 6,703.25
  4. Step 4: Simplify right side
    20,554.25x = 206,670,414.47
  5. Step 5: Solve for x
    x = 206,670,414.47/20,554.25
  6. Step 6: Final answer
    x = 10,054.88

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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.