Home / 33,012.64-45,557.58-18,865.96

Finding the Fourth Proportional to 33,012.64, 45,557.58 and 18,865.96

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Solution

The fourth proportional to 33,012.64, 45,557.58 and 18,865.96 is: 26,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.64 : 45,557.58 = 18,865.96 : x
  2. Step 2: Convert to fraction form
    33,012.64/45,557.58 = 18,865.96/x
  3. Step 3: Cross multiply
    33,012.64x = 45,557.58 × 18,865.96
  4. Step 4: Simplify right side
    33,012.64x = 859,487,481.98
  5. Step 5: Solve for x
    x = 859,487,481.98/33,012.64
  6. Step 6: Final answer
    x = 26,035.10

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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.