Home / 33,325.73-45,989.60-18,218.57

Finding the Fourth Proportional to 33,325.73, 45,989.60 and 18,218.57

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Solution

The fourth proportional to 33,325.73, 45,989.60 and 18,218.57 is: 25,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.73 : 45,989.60 = 18,218.57 : x
  2. Step 2: Convert to fraction form
    33,325.73/45,989.60 = 18,218.57/x
  3. Step 3: Cross multiply
    33,325.73x = 45,989.60 × 18,218.57
  4. Step 4: Simplify right side
    33,325.73x = 837,864,425.83
  5. Step 5: Solve for x
    x = 837,864,425.83/33,325.73
  6. Step 6: Final answer
    x = 25,141.67

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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.