Home / 15,504.88-23,260.20-7,179.40

Finding the Fourth Proportional to 15,504.88, 23,260.20 and 7,179.40

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Solution

The fourth proportional to 15,504.88, 23,260.20 and 7,179.40 is: 10,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.88 : 23,260.20 = 7,179.40 : x
  2. Step 2: Convert to fraction form
    15,504.88/23,260.20 = 7,179.40/x
  3. Step 3: Cross multiply
    15,504.88x = 23,260.20 × 7,179.40
  4. Step 4: Simplify right side
    15,504.88x = 166,994,279.88
  5. Step 5: Solve for x
    x = 166,994,279.88/15,504.88
  6. Step 6: Final answer
    x = 10,770.43

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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.