Home / 32,786.89-45,245.41-18,445.64

Finding the Fourth Proportional to 32,786.89, 45,245.41 and 18,445.64

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Solution

The fourth proportional to 32,786.89, 45,245.41 and 18,445.64 is: 25,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.89 : 45,245.41 = 18,445.64 : x
  2. Step 2: Convert to fraction form
    32,786.89/45,245.41 = 18,445.64/x
  3. Step 3: Cross multiply
    32,786.89x = 45,245.41 × 18,445.64
  4. Step 4: Simplify right side
    32,786.89x = 834,580,272.17
  5. Step 5: Solve for x
    x = 834,580,272.17/32,786.89
  6. Step 6: Final answer
    x = 25,454.70

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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.