Home / 13,951.08-19,255.32-8,571.06

Finding the Fourth Proportional to 13,951.08, 19,255.32 and 8,571.06

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Solution

The fourth proportional to 13,951.08, 19,255.32 and 8,571.06 is: 11,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.08 : 19,255.32 = 8,571.06 : x
  2. Step 2: Convert to fraction form
    13,951.08/19,255.32 = 8,571.06/x
  3. Step 3: Cross multiply
    13,951.08x = 19,255.32 × 8,571.06
  4. Step 4: Simplify right side
    13,951.08x = 165,038,503.04
  5. Step 5: Solve for x
    x = 165,038,503.04/13,951.08
  6. Step 6: Final answer
    x = 11,829.80

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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.