Home / 14,224.61-19,628.46-8,255.12

Finding the Fourth Proportional to 14,224.61, 19,628.46 and 8,255.12

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Solution

The fourth proportional to 14,224.61, 19,628.46 and 8,255.12 is: 11,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.61 : 19,628.46 = 8,255.12 : x
  2. Step 2: Convert to fraction form
    14,224.61/19,628.46 = 8,255.12/x
  3. Step 3: Cross multiply
    14,224.61x = 19,628.46 × 8,255.12
  4. Step 4: Simplify right side
    14,224.61x = 162,035,194.57
  5. Step 5: Solve for x
    x = 162,035,194.57/14,224.61
  6. Step 6: Final answer
    x = 11,391.19

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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.