Home / 33,217.70-45,838.13-18,684.07

Finding the Fourth Proportional to 33,217.70, 45,838.13 and 18,684.07

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Solution

The fourth proportional to 33,217.70, 45,838.13 and 18,684.07 is: 25,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.70 : 45,838.13 = 18,684.07 : x
  2. Step 2: Convert to fraction form
    33,217.70/45,838.13 = 18,684.07/x
  3. Step 3: Cross multiply
    33,217.70x = 45,838.13 × 18,684.07
  4. Step 4: Simplify right side
    33,217.70x = 856,442,621.57
  5. Step 5: Solve for x
    x = 856,442,621.57/33,217.70
  6. Step 6: Final answer
    x = 25,782.72

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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.