Home / 32,811.75-45,282.65-18,669.15

Finding the Fourth Proportional to 32,811.75, 45,282.65 and 18,669.15

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Solution

The fourth proportional to 32,811.75, 45,282.65 and 18,669.15 is: 25,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.75 : 45,282.65 = 18,669.15 : x
  2. Step 2: Convert to fraction form
    32,811.75/45,282.65 = 18,669.15/x
  3. Step 3: Cross multiply
    32,811.75x = 45,282.65 × 18,669.15
  4. Step 4: Simplify right side
    32,811.75x = 845,388,491.90
  5. Step 5: Solve for x
    x = 845,388,491.90/32,811.75
  6. Step 6: Final answer
    x = 25,764.81

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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.