Home / 15,996.88-23,993.60-4,311.28

Finding the Fourth Proportional to 15,996.88, 23,993.60 and 4,311.28

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Solution

The fourth proportional to 15,996.88, 23,993.60 and 4,311.28 is: 6,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.88 : 23,993.60 = 4,311.28 : x
  2. Step 2: Convert to fraction form
    15,996.88/23,993.60 = 4,311.28/x
  3. Step 3: Cross multiply
    15,996.88x = 23,993.60 × 4,311.28
  4. Step 4: Simplify right side
    15,996.88x = 103,443,127.81
  5. Step 5: Solve for x
    x = 103,443,127.81/15,996.88
  6. Step 6: Final answer
    x = 6,466.46

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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.