Home / 14,905.44-20,569.32-8,617.68

Finding the Fourth Proportional to 14,905.44, 20,569.32 and 8,617.68

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Solution

The fourth proportional to 14,905.44, 20,569.32 and 8,617.68 is: 11,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.44 : 20,569.32 = 8,617.68 : x
  2. Step 2: Convert to fraction form
    14,905.44/20,569.32 = 8,617.68/x
  3. Step 3: Cross multiply
    14,905.44x = 20,569.32 × 8,617.68
  4. Step 4: Simplify right side
    14,905.44x = 177,259,817.58
  5. Step 5: Solve for x
    x = 177,259,817.58/14,905.44
  6. Step 6: Final answer
    x = 11,892.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.