Home / 33,011.12-45,557.76-18,863.66

Finding the Fourth Proportional to 33,011.12, 45,557.76 and 18,863.66

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Solution

The fourth proportional to 33,011.12, 45,557.76 and 18,863.66 is: 26,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.12 : 45,557.76 = 18,863.66 : x
  2. Step 2: Convert to fraction form
    33,011.12/45,557.76 = 18,863.66/x
  3. Step 3: Cross multiply
    33,011.12x = 45,557.76 × 18,863.66
  4. Step 4: Simplify right side
    33,011.12x = 859,385,867.21
  5. Step 5: Solve for x
    x = 859,385,867.21/33,011.12
  6. Step 6: Final answer
    x = 26,033.23

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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.