Home / 13,764.29-18,995.16-7,795.82

Finding the Fourth Proportional to 13,764.29, 18,995.16 and 7,795.82

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Solution

The fourth proportional to 13,764.29, 18,995.16 and 7,795.82 is: 10,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.29 : 18,995.16 = 7,795.82 : x
  2. Step 2: Convert to fraction form
    13,764.29/18,995.16 = 7,795.82/x
  3. Step 3: Cross multiply
    13,764.29x = 18,995.16 × 7,795.82
  4. Step 4: Simplify right side
    13,764.29x = 148,082,924.95
  5. Step 5: Solve for x
    x = 148,082,924.95/13,764.29
  6. Step 6: Final answer
    x = 10,758.49

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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.