Home / 33,076.40-45,644.64-18,928.34

Finding the Fourth Proportional to 33,076.40, 45,644.64 and 18,928.34

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Solution

The fourth proportional to 33,076.40, 45,644.64 and 18,928.34 is: 26,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.40 : 45,644.64 = 18,928.34 : x
  2. Step 2: Convert to fraction form
    33,076.40/45,644.64 = 18,928.34/x
  3. Step 3: Cross multiply
    33,076.40x = 45,644.64 × 18,928.34
  4. Step 4: Simplify right side
    33,076.40x = 863,977,265.10
  5. Step 5: Solve for x
    x = 863,977,265.10/33,076.40
  6. Step 6: Final answer
    x = 26,120.66

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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.