Home / 13,216.11-19,827.21-7,674.09

Finding the Fourth Proportional to 13,216.11, 19,827.21 and 7,674.09

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Solution

The fourth proportional to 13,216.11, 19,827.21 and 7,674.09 is: 11,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.11 : 19,827.21 = 7,674.09 : x
  2. Step 2: Convert to fraction form
    13,216.11/19,827.21 = 7,674.09/x
  3. Step 3: Cross multiply
    13,216.11x = 19,827.21 × 7,674.09
  4. Step 4: Simplify right side
    13,216.11x = 152,155,793.99
  5. Step 5: Solve for x
    x = 152,155,793.99/13,216.11
  6. Step 6: Final answer
    x = 11,512.90

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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.