Home / 33,011.64-45,556.20-18,864.96

Finding the Fourth Proportional to 33,011.64, 45,556.20 and 18,864.96

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Solution

The fourth proportional to 33,011.64, 45,556.20 and 18,864.96 is: 26,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.64 : 45,556.20 = 18,864.96 : x
  2. Step 2: Convert to fraction form
    33,011.64/45,556.20 = 18,864.96/x
  3. Step 3: Cross multiply
    33,011.64x = 45,556.20 × 18,864.96
  4. Step 4: Simplify right side
    33,011.64x = 859,415,890.75
  5. Step 5: Solve for x
    x = 859,415,890.75/33,011.64
  6. Step 6: Final answer
    x = 26,033.72

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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.