Home / 16,905.68-25,361.40-6,374.80

Finding the Fourth Proportional to 16,905.68, 25,361.40 and 6,374.80

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Solution

The fourth proportional to 16,905.68, 25,361.40 and 6,374.80 is: 9,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.68 : 25,361.40 = 6,374.80 : x
  2. Step 2: Convert to fraction form
    16,905.68/25,361.40 = 6,374.80/x
  3. Step 3: Cross multiply
    16,905.68x = 25,361.40 × 6,374.80
  4. Step 4: Simplify right side
    16,905.68x = 161,673,852.72
  5. Step 5: Solve for x
    x = 161,673,852.72/16,905.68
  6. Step 6: Final answer
    x = 9,563.29

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1.5x scale

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.