Home / 32,775.12-45,233.55-18,630.09

Finding the Fourth Proportional to 32,775.12, 45,233.55 and 18,630.09

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Solution

The fourth proportional to 32,775.12, 45,233.55 and 18,630.09 is: 25,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.12 : 45,233.55 = 18,630.09 : x
  2. Step 2: Convert to fraction form
    32,775.12/45,233.55 = 18,630.09/x
  3. Step 3: Cross multiply
    32,775.12x = 45,233.55 × 18,630.09
  4. Step 4: Simplify right side
    32,775.12x = 842,705,107.52
  5. Step 5: Solve for x
    x = 842,705,107.52/32,775.12
  6. Step 6: Final answer
    x = 25,711.73

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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.