Home / 13,726.77-20,587.19-4,956.81

Finding the Fourth Proportional to 13,726.77, 20,587.19 and 4,956.81

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Solution

The fourth proportional to 13,726.77, 20,587.19 and 4,956.81 is: 7,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.77 : 20,587.19 = 4,956.81 : x
  2. Step 2: Convert to fraction form
    13,726.77/20,587.19 = 4,956.81/x
  3. Step 3: Cross multiply
    13,726.77x = 20,587.19 × 4,956.81
  4. Step 4: Simplify right side
    13,726.77x = 102,046,764.48
  5. Step 5: Solve for x
    x = 102,046,764.48/13,726.77
  6. Step 6: Final answer
    x = 7,434.14

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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.