Home / 23,778.42-35,667.59-7,138.43

Finding the Fourth Proportional to 23,778.42, 35,667.59 and 7,138.43

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Solution

The fourth proportional to 23,778.42, 35,667.59 and 7,138.43 is: 10,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.42 : 35,667.59 = 7,138.43 : x
  2. Step 2: Convert to fraction form
    23,778.42/35,667.59 = 7,138.43/x
  3. Step 3: Cross multiply
    23,778.42x = 35,667.59 × 7,138.43
  4. Step 4: Simplify right side
    23,778.42x = 254,610,380.45
  5. Step 5: Solve for x
    x = 254,610,380.45/23,778.42
  6. Step 6: Final answer
    x = 10,707.62

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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.