Home / 32,853.18-45,333.72-18,513.66

Finding the Fourth Proportional to 32,853.18, 45,333.72 and 18,513.66

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Solution

The fourth proportional to 32,853.18, 45,333.72 and 18,513.66 is: 25,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,853.18 : 45,333.72 = 18,513.66 : x
  2. Step 2: Convert to fraction form
    32,853.18/45,333.72 = 18,513.66/x
  3. Step 3: Cross multiply
    32,853.18x = 45,333.72 × 18,513.66
  4. Step 4: Simplify right side
    32,853.18x = 839,293,078.62
  5. Step 5: Solve for x
    x = 839,293,078.62/32,853.18
  6. Step 6: Final answer
    x = 25,546.78

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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.