Home / 14,961.06-20,657.25-11,993.22

Finding the Fourth Proportional to 14,961.06, 20,657.25 and 11,993.22

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Solution

The fourth proportional to 14,961.06, 20,657.25 and 11,993.22 is: 16,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.06 : 20,657.25 = 11,993.22 : x
  2. Step 2: Convert to fraction form
    14,961.06/20,657.25 = 11,993.22/x
  3. Step 3: Cross multiply
    14,961.06x = 20,657.25 × 11,993.22
  4. Step 4: Simplify right side
    14,961.06x = 247,746,943.85
  5. Step 5: Solve for x
    x = 247,746,943.85/14,961.06
  6. Step 6: Final answer
    x = 16,559.45

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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.