Home / 14,520.25-21,777.77-3,846.68

Finding the Fourth Proportional to 14,520.25, 21,777.77 and 3,846.68

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Solution

The fourth proportional to 14,520.25, 21,777.77 and 3,846.68 is: 5,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.25 : 21,777.77 = 3,846.68 : x
  2. Step 2: Convert to fraction form
    14,520.25/21,777.77 = 3,846.68/x
  3. Step 3: Cross multiply
    14,520.25x = 21,777.77 × 3,846.68
  4. Step 4: Simplify right side
    14,520.25x = 83,771,984.18
  5. Step 5: Solve for x
    x = 83,771,984.18/14,520.25
  6. Step 6: Final answer
    x = 5,769.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.