Home / 20,344.41-30,432.36-19,100.25

Finding the Fourth Proportional to 20,344.41, 30,432.36 and 19,100.25

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Solution

The fourth proportional to 20,344.41, 30,432.36 and 19,100.25 is: 28,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.41 : 30,432.36 = 19,100.25 : x
  2. Step 2: Convert to fraction form
    20,344.41/30,432.36 = 19,100.25/x
  3. Step 3: Cross multiply
    20,344.41x = 30,432.36 × 19,100.25
  4. Step 4: Simplify right side
    20,344.41x = 581,265,684.09
  5. Step 5: Solve for x
    x = 581,265,684.09/20,344.41
  6. Step 6: Final answer
    x = 28,571.27

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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.