Home / 13,893.06-19,172.27-7,519.51

Finding the Fourth Proportional to 13,893.06, 19,172.27 and 7,519.51

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Solution

The fourth proportional to 13,893.06, 19,172.27 and 7,519.51 is: 10,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.06 : 19,172.27 = 7,519.51 : x
  2. Step 2: Convert to fraction form
    13,893.06/19,172.27 = 7,519.51/x
  3. Step 3: Cross multiply
    13,893.06x = 19,172.27 × 7,519.51
  4. Step 4: Simplify right side
    13,893.06x = 144,165,942.53
  5. Step 5: Solve for x
    x = 144,165,942.53/13,893.06
  6. Step 6: Final answer
    x = 10,376.83

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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.