Home / 33,015.16-45,556.10-18,865.27

Finding the Fourth Proportional to 33,015.16, 45,556.10 and 18,865.27

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Solution

The fourth proportional to 33,015.16, 45,556.10 and 18,865.27 is: 26,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.16 : 45,556.10 = 18,865.27 : x
  2. Step 2: Convert to fraction form
    33,015.16/45,556.10 = 18,865.27/x
  3. Step 3: Cross multiply
    33,015.16x = 45,556.10 × 18,865.27
  4. Step 4: Simplify right side
    33,015.16x = 859,427,898.87
  5. Step 5: Solve for x
    x = 859,427,898.87/33,015.16
  6. Step 6: Final answer
    x = 26,031.31

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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.