Home / 19,170.20-28,759.64-5,844.40

Finding the Fourth Proportional to 19,170.20, 28,759.64 and 5,844.40

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Solution

The fourth proportional to 19,170.20, 28,759.64 and 5,844.40 is: 8,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.20 : 28,759.64 = 5,844.40 : x
  2. Step 2: Convert to fraction form
    19,170.20/28,759.64 = 5,844.40/x
  3. Step 3: Cross multiply
    19,170.20x = 28,759.64 × 5,844.40
  4. Step 4: Simplify right side
    19,170.20x = 168,082,738.89
  5. Step 5: Solve for x
    x = 168,082,738.89/19,170.20
  6. Step 6: Final answer
    x = 8,767.92

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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.