Home / 13,716.07-18,928.82-8,051.06

Finding the Fourth Proportional to 13,716.07, 18,928.82 and 8,051.06

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Solution

The fourth proportional to 13,716.07, 18,928.82 and 8,051.06 is: 11,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.07 : 18,928.82 = 8,051.06 : x
  2. Step 2: Convert to fraction form
    13,716.07/18,928.82 = 8,051.06/x
  3. Step 3: Cross multiply
    13,716.07x = 18,928.82 × 8,051.06
  4. Step 4: Simplify right side
    13,716.07x = 152,397,133.00
  5. Step 5: Solve for x
    x = 152,397,133.00/13,716.07
  6. Step 6: Final answer
    x = 11,110.85

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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.