Home / 13,664.48-20,497.45-4,305.23

Finding the Fourth Proportional to 13,664.48, 20,497.45 and 4,305.23

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Solution

The fourth proportional to 13,664.48, 20,497.45 and 4,305.23 is: 6,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.48 : 20,497.45 = 4,305.23 : x
  2. Step 2: Convert to fraction form
    13,664.48/20,497.45 = 4,305.23/x
  3. Step 3: Cross multiply
    13,664.48x = 20,497.45 × 4,305.23
  4. Step 4: Simplify right side
    13,664.48x = 88,246,123.41
  5. Step 5: Solve for x
    x = 88,246,123.41/13,664.48
  6. Step 6: Final answer
    x = 6,458.07

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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.