Home / 33,686.85-46,488.22-18,580.15

Finding the Fourth Proportional to 33,686.85, 46,488.22 and 18,580.15

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Solution

The fourth proportional to 33,686.85, 46,488.22 and 18,580.15 is: 25,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.85 : 46,488.22 = 18,580.15 : x
  2. Step 2: Convert to fraction form
    33,686.85/46,488.22 = 18,580.15/x
  3. Step 3: Cross multiply
    33,686.85x = 46,488.22 × 18,580.15
  4. Step 4: Simplify right side
    33,686.85x = 863,758,100.83
  5. Step 5: Solve for x
    x = 863,758,100.83/33,686.85
  6. Step 6: Final answer
    x = 25,640.81

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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.