Home / 13,941.13-19,237.48-8,274.91

Finding the Fourth Proportional to 13,941.13, 19,237.48 and 8,274.91

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Solution

The fourth proportional to 13,941.13, 19,237.48 and 8,274.91 is: 11,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.13 : 19,237.48 = 8,274.91 : x
  2. Step 2: Convert to fraction form
    13,941.13/19,237.48 = 8,274.91/x
  3. Step 3: Cross multiply
    13,941.13x = 19,237.48 × 8,274.91
  4. Step 4: Simplify right side
    13,941.13x = 159,188,346.85
  5. Step 5: Solve for x
    x = 159,188,346.85/13,941.13
  6. Step 6: Final answer
    x = 11,418.61

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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.