Home / 15,991.22-23,983.46-4,304.54

Finding the Fourth Proportional to 15,991.22, 23,983.46 and 4,304.54

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Solution

The fourth proportional to 15,991.22, 23,983.46 and 4,304.54 is: 6,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.22 : 23,983.46 = 4,304.54 : x
  2. Step 2: Convert to fraction form
    15,991.22/23,983.46 = 4,304.54/x
  3. Step 3: Cross multiply
    15,991.22x = 23,983.46 × 4,304.54
  4. Step 4: Simplify right side
    15,991.22x = 103,237,762.91
  5. Step 5: Solve for x
    x = 103,237,762.91/15,991.22
  6. Step 6: Final answer
    x = 6,455.90

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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.