Home / 32,658.72-45,070.81-18,323.09

Finding the Fourth Proportional to 32,658.72, 45,070.81 and 18,323.09

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Solution

The fourth proportional to 32,658.72, 45,070.81 and 18,323.09 is: 25,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,658.72 : 45,070.81 = 18,323.09 : x
  2. Step 2: Convert to fraction form
    32,658.72/45,070.81 = 18,323.09/x
  3. Step 3: Cross multiply
    32,658.72x = 45,070.81 × 18,323.09
  4. Step 4: Simplify right side
    32,658.72x = 825,836,282.65
  5. Step 5: Solve for x
    x = 825,836,282.65/32,658.72
  6. Step 6: Final answer
    x = 25,286.85

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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.