Home / 13,492.51-20,238.77-3,631.81

Finding the Fourth Proportional to 13,492.51, 20,238.77 and 3,631.81

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Solution

The fourth proportional to 13,492.51, 20,238.77 and 3,631.81 is: 5,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.51 : 20,238.77 = 3,631.81 : x
  2. Step 2: Convert to fraction form
    13,492.51/20,238.77 = 3,631.81/x
  3. Step 3: Cross multiply
    13,492.51x = 20,238.77 × 3,631.81
  4. Step 4: Simplify right side
    13,492.51x = 73,503,367.27
  5. Step 5: Solve for x
    x = 73,503,367.27/13,492.51
  6. Step 6: Final answer
    x = 5,447.72

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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.