Home / 13,583.64-20,371.40-4,095.56

Finding the Fourth Proportional to 13,583.64, 20,371.40 and 4,095.56

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Solution

The fourth proportional to 13,583.64, 20,371.40 and 4,095.56 is: 6,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.64 : 20,371.40 = 4,095.56 : x
  2. Step 2: Convert to fraction form
    13,583.64/20,371.40 = 4,095.56/x
  3. Step 3: Cross multiply
    13,583.64x = 20,371.40 × 4,095.56
  4. Step 4: Simplify right side
    13,583.64x = 83,432,290.98
  5. Step 5: Solve for x
    x = 83,432,290.98/13,583.64
  6. Step 6: Final answer
    x = 6,142.12

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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.