Home / 20,334.02-30,495.83-6,290.33

Finding the Fourth Proportional to 20,334.02, 30,495.83 and 6,290.33

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Solution

The fourth proportional to 20,334.02, 30,495.83 and 6,290.33 is: 9,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.02 : 30,495.83 = 6,290.33 : x
  2. Step 2: Convert to fraction form
    20,334.02/30,495.83 = 6,290.33/x
  3. Step 3: Cross multiply
    20,334.02x = 30,495.83 × 6,290.33
  4. Step 4: Simplify right side
    20,334.02x = 191,828,650.39
  5. Step 5: Solve for x
    x = 191,828,650.39/20,334.02
  6. Step 6: Final answer
    x = 9,433.88

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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.