Home / 14,784.68-20,399.82-8,495.84

Finding the Fourth Proportional to 14,784.68, 20,399.82 and 8,495.84

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Solution

The fourth proportional to 14,784.68, 20,399.82 and 8,495.84 is: 11,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.68 : 20,399.82 = 8,495.84 : x
  2. Step 2: Convert to fraction form
    14,784.68/20,399.82 = 8,495.84/x
  3. Step 3: Cross multiply
    14,784.68x = 20,399.82 × 8,495.84
  4. Step 4: Simplify right side
    14,784.68x = 173,313,625.89
  5. Step 5: Solve for x
    x = 173,313,625.89/14,784.68
  6. Step 6: Final answer
    x = 11,722.51

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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.