Home / 29,667.87-40,923.23-18,340.83

Finding the Fourth Proportional to 29,667.87, 40,923.23 and 18,340.83

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Solution

The fourth proportional to 29,667.87, 40,923.23 and 18,340.83 is: 25,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.87 : 40,923.23 = 18,340.83 : x
  2. Step 2: Convert to fraction form
    29,667.87/40,923.23 = 18,340.83/x
  3. Step 3: Cross multiply
    29,667.87x = 40,923.23 × 18,340.83
  4. Step 4: Simplify right side
    29,667.87x = 750,565,912.78
  5. Step 5: Solve for x
    x = 750,565,912.78/29,667.87
  6. Step 6: Final answer
    x = 25,298.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.