Home / 32,789.36-45,245.04-18,641.90

Finding the Fourth Proportional to 32,789.36, 45,245.04 and 18,641.90

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Solution

The fourth proportional to 32,789.36, 45,245.04 and 18,641.90 is: 25,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.36 : 45,245.04 = 18,641.90 : x
  2. Step 2: Convert to fraction form
    32,789.36/45,245.04 = 18,641.90/x
  3. Step 3: Cross multiply
    32,789.36x = 45,245.04 × 18,641.90
  4. Step 4: Simplify right side
    32,789.36x = 843,453,511.18
  5. Step 5: Solve for x
    x = 843,453,511.18/32,789.36
  6. Step 6: Final answer
    x = 25,723.39

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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.