Home / 32,838.75-45,317.53-18,691.59

Finding the Fourth Proportional to 32,838.75, 45,317.53 and 18,691.59

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Solution

The fourth proportional to 32,838.75, 45,317.53 and 18,691.59 is: 25,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.75 : 45,317.53 = 18,691.59 : x
  2. Step 2: Convert to fraction form
    32,838.75/45,317.53 = 18,691.59/x
  3. Step 3: Cross multiply
    32,838.75x = 45,317.53 × 18,691.59
  4. Step 4: Simplify right side
    32,838.75x = 847,056,778.74
  5. Step 5: Solve for x
    x = 847,056,778.74/32,838.75
  6. Step 6: Final answer
    x = 25,794.43

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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.