Home / 13,124.07-19,686.51-3,764.97

Finding the Fourth Proportional to 13,124.07, 19,686.51 and 3,764.97

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Solution

The fourth proportional to 13,124.07, 19,686.51 and 3,764.97 is: 5,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.07 : 19,686.51 = 3,764.97 : x
  2. Step 2: Convert to fraction form
    13,124.07/19,686.51 = 3,764.97/x
  3. Step 3: Cross multiply
    13,124.07x = 19,686.51 × 3,764.97
  4. Step 4: Simplify right side
    13,124.07x = 74,119,119.55
  5. Step 5: Solve for x
    x = 74,119,119.55/13,124.07
  6. Step 6: Final answer
    x = 5,647.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.