Home / 13,619.31-20,424.06-4,852.47

Finding the Fourth Proportional to 13,619.31, 20,424.06 and 4,852.47

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Solution

The fourth proportional to 13,619.31, 20,424.06 and 4,852.47 is: 7,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.31 : 20,424.06 = 4,852.47 : x
  2. Step 2: Convert to fraction form
    13,619.31/20,424.06 = 4,852.47/x
  3. Step 3: Cross multiply
    13,619.31x = 20,424.06 × 4,852.47
  4. Step 4: Simplify right side
    13,619.31x = 99,107,138.43
  5. Step 5: Solve for x
    x = 99,107,138.43/13,619.31
  6. Step 6: Final answer
    x = 7,276.96

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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.