Home / 13,726.56-20,584.40-4,956.72

Finding the Fourth Proportional to 13,726.56, 20,584.40 and 4,956.72

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Solution

The fourth proportional to 13,726.56, 20,584.40 and 4,956.72 is: 7,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.56 : 20,584.40 = 4,956.72 : x
  2. Step 2: Convert to fraction form
    13,726.56/20,584.40 = 4,956.72/x
  3. Step 3: Cross multiply
    13,726.56x = 20,584.40 × 4,956.72
  4. Step 4: Simplify right side
    13,726.56x = 102,031,107.17
  5. Step 5: Solve for x
    x = 102,031,107.17/13,726.56
  6. Step 6: Final answer
    x = 7,433.12

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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.