Home / 13,218.42-19,829.25-6,194.82

Finding the Fourth Proportional to 13,218.42, 19,829.25 and 6,194.82

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Solution

The fourth proportional to 13,218.42, 19,829.25 and 6,194.82 is: 9,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.42 : 19,829.25 = 6,194.82 : x
  2. Step 2: Convert to fraction form
    13,218.42/19,829.25 = 6,194.82/x
  3. Step 3: Cross multiply
    13,218.42x = 19,829.25 × 6,194.82
  4. Step 4: Simplify right side
    13,218.42x = 122,838,634.49
  5. Step 5: Solve for x
    x = 122,838,634.49/13,218.42
  6. Step 6: Final answer
    x = 9,292.99

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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.