Home / 15,945.85-23,919.68-4,852.90

Finding the Fourth Proportional to 15,945.85, 23,919.68 and 4,852.90

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Solution

The fourth proportional to 15,945.85, 23,919.68 and 4,852.90 is: 7,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.85 : 23,919.68 = 4,852.90 : x
  2. Step 2: Convert to fraction form
    15,945.85/23,919.68 = 4,852.90/x
  3. Step 3: Cross multiply
    15,945.85x = 23,919.68 × 4,852.90
  4. Step 4: Simplify right side
    15,945.85x = 116,079,815.07
  5. Step 5: Solve for x
    x = 116,079,815.07/15,945.85
  6. Step 6: Final answer
    x = 7,279.63

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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.