Home / 16,912.40-25,374.02-7,052.72

Finding the Fourth Proportional to 16,912.40, 25,374.02 and 7,052.72

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Solution

The fourth proportional to 16,912.40, 25,374.02 and 7,052.72 is: 10,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.40 : 25,374.02 = 7,052.72 : x
  2. Step 2: Convert to fraction form
    16,912.40/25,374.02 = 7,052.72/x
  3. Step 3: Cross multiply
    16,912.40x = 25,374.02 × 7,052.72
  4. Step 4: Simplify right side
    16,912.40x = 178,955,858.33
  5. Step 5: Solve for x
    x = 178,955,858.33/16,912.40
  6. Step 6: Final answer
    x = 10,581.34

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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.