Home / 15,983.32-23,974.11-4,890.01

Finding the Fourth Proportional to 15,983.32, 23,974.11 and 4,890.01

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Solution

The fourth proportional to 15,983.32, 23,974.11 and 4,890.01 is: 7,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.32 : 23,974.11 = 4,890.01 : x
  2. Step 2: Convert to fraction form
    15,983.32/23,974.11 = 4,890.01/x
  3. Step 3: Cross multiply
    15,983.32x = 23,974.11 × 4,890.01
  4. Step 4: Simplify right side
    15,983.32x = 117,233,622.66
  5. Step 5: Solve for x
    x = 117,233,622.66/15,983.32
  6. Step 6: Final answer
    x = 7,334.75

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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.