Home / 13,726.56-20,585.80-5,828.96

Finding the Fourth Proportional to 13,726.56, 20,585.80 and 5,828.96

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Solution

The fourth proportional to 13,726.56, 20,585.80 and 5,828.96 is: 8,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.56 : 20,585.80 = 5,828.96 : x
  2. Step 2: Convert to fraction form
    13,726.56/20,585.80 = 5,828.96/x
  3. Step 3: Cross multiply
    13,726.56x = 20,585.80 × 5,828.96
  4. Step 4: Simplify right side
    13,726.56x = 119,993,804.77
  5. Step 5: Solve for x
    x = 119,993,804.77/13,726.56
  6. Step 6: Final answer
    x = 8,741.72

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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.