Home / 13,492.76-20,240.34-3,631.82

Finding the Fourth Proportional to 13,492.76, 20,240.34 and 3,631.82

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Solution

The fourth proportional to 13,492.76, 20,240.34 and 3,631.82 is: 5,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.76 : 20,240.34 = 3,631.82 : x
  2. Step 2: Convert to fraction form
    13,492.76/20,240.34 = 3,631.82/x
  3. Step 3: Cross multiply
    13,492.76x = 20,240.34 × 3,631.82
  4. Step 4: Simplify right side
    13,492.76x = 73,509,170.42
  5. Step 5: Solve for x
    x = 73,509,170.42/13,492.76
  6. Step 6: Final answer
    x = 5,448.05

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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.