Home / 13,764.29-18,994.07-7,795.98

Finding the Fourth Proportional to 13,764.29, 18,994.07 and 7,795.98

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Solution

The fourth proportional to 13,764.29, 18,994.07 and 7,795.98 is: 10,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.29 : 18,994.07 = 7,795.98 : x
  2. Step 2: Convert to fraction form
    13,764.29/18,994.07 = 7,795.98/x
  3. Step 3: Cross multiply
    13,764.29x = 18,994.07 × 7,795.98
  4. Step 4: Simplify right side
    13,764.29x = 148,077,409.33
  5. Step 5: Solve for x
    x = 148,077,409.33/13,764.29
  6. Step 6: Final answer
    x = 10,758.09

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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.