Home / 32,820.87-45,293.32-18,673.62

Finding the Fourth Proportional to 32,820.87, 45,293.32 and 18,673.62

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Solution

The fourth proportional to 32,820.87, 45,293.32 and 18,673.62 is: 25,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.87 : 45,293.32 = 18,673.62 : x
  2. Step 2: Convert to fraction form
    32,820.87/45,293.32 = 18,673.62/x
  3. Step 3: Cross multiply
    32,820.87x = 45,293.32 × 18,673.62
  4. Step 4: Simplify right side
    32,820.87x = 845,790,246.22
  5. Step 5: Solve for x
    x = 845,790,246.22/32,820.87
  6. Step 6: Final answer
    x = 25,769.89

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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.