Home / 32,663.81-45,076.97-18,517.57

Finding the Fourth Proportional to 32,663.81, 45,076.97 and 18,517.57

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Solution

The fourth proportional to 32,663.81, 45,076.97 and 18,517.57 is: 25,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,663.81 : 45,076.97 = 18,517.57 : x
  2. Step 2: Convert to fraction form
    32,663.81/45,076.97 = 18,517.57/x
  3. Step 3: Cross multiply
    32,663.81x = 45,076.97 × 18,517.57
  4. Step 4: Simplify right side
    32,663.81x = 834,715,880.96
  5. Step 5: Solve for x
    x = 834,715,880.96/32,663.81
  6. Step 6: Final answer
    x = 25,554.76

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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.