Home / 14,091.86-19,448.84-8,122.37

Finding the Fourth Proportional to 14,091.86, 19,448.84 and 8,122.37

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Solution

The fourth proportional to 14,091.86, 19,448.84 and 8,122.37 is: 11,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.86 : 19,448.84 = 8,122.37 : x
  2. Step 2: Convert to fraction form
    14,091.86/19,448.84 = 8,122.37/x
  3. Step 3: Cross multiply
    14,091.86x = 19,448.84 × 8,122.37
  4. Step 4: Simplify right side
    14,091.86x = 157,970,597.61
  5. Step 5: Solve for x
    x = 157,970,597.61/14,091.86
  6. Step 6: Final answer
    x = 11,210.06

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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.