Home / 33,827.60-46,682.14-18,720.90

Finding the Fourth Proportional to 33,827.60, 46,682.14 and 18,720.90

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Solution

The fourth proportional to 33,827.60, 46,682.14 and 18,720.90 is: 25,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,827.60 : 46,682.14 = 18,720.90 : x
  2. Step 2: Convert to fraction form
    33,827.60/46,682.14 = 18,720.90/x
  3. Step 3: Cross multiply
    33,827.60x = 46,682.14 × 18,720.90
  4. Step 4: Simplify right side
    33,827.60x = 873,931,674.73
  5. Step 5: Solve for x
    x = 873,931,674.73/33,827.60
  6. Step 6: Final answer
    x = 25,834.87

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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.