Home / 32,667.75-45,087.44-18,520.83

Finding the Fourth Proportional to 32,667.75, 45,087.44 and 18,520.83

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Solution

The fourth proportional to 32,667.75, 45,087.44 and 18,520.83 is: 25,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,667.75 : 45,087.44 = 18,520.83 : x
  2. Step 2: Convert to fraction form
    32,667.75/45,087.44 = 18,520.83/x
  3. Step 3: Cross multiply
    32,667.75x = 45,087.44 × 18,520.83
  4. Step 4: Simplify right side
    32,667.75x = 835,056,718.77
  5. Step 5: Solve for x
    x = 835,056,718.77/32,667.75
  6. Step 6: Final answer
    x = 25,562.11

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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.