Home / 20,504.24-30,765.52-9,968.48

Finding the Fourth Proportional to 20,504.24, 30,765.52 and 9,968.48

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Solution

The fourth proportional to 20,504.24, 30,765.52 and 9,968.48 is: 14,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.24 : 30,765.52 = 9,968.48 : x
  2. Step 2: Convert to fraction form
    20,504.24/30,765.52 = 9,968.48/x
  3. Step 3: Cross multiply
    20,504.24x = 30,765.52 × 9,968.48
  4. Step 4: Simplify right side
    20,504.24x = 306,685,470.81
  5. Step 5: Solve for x
    x = 306,685,470.81/20,504.24
  6. Step 6: Final answer
    x = 14,957.17

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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.