Home / 15,945.75-23,917.80-4,852.20

Finding the Fourth Proportional to 15,945.75, 23,917.80 and 4,852.20

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Solution

The fourth proportional to 15,945.75, 23,917.80 and 4,852.20 is: 7,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.75 : 23,917.80 = 4,852.20 : x
  2. Step 2: Convert to fraction form
    15,945.75/23,917.80 = 4,852.20/x
  3. Step 3: Cross multiply
    15,945.75x = 23,917.80 × 4,852.20
  4. Step 4: Simplify right side
    15,945.75x = 116,053,949.16
  5. Step 5: Solve for x
    x = 116,053,949.16/15,945.75
  6. Step 6: Final answer
    x = 7,278.05

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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.