Home / 16,902.40-25,353.60-9,972

Finding the Fourth Proportional to 16,902.40, 25,353.60 and 9,972

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Solution

The fourth proportional to 16,902.40, 25,353.60 and 9,972 is: 14,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.40 : 25,353.60 = 9,972 : x
  2. Step 2: Convert to fraction form
    16,902.40/25,353.60 = 9,972/x
  3. Step 3: Cross multiply
    16,902.40x = 25,353.60 × 9,972
  4. Step 4: Simplify right side
    16,902.40x = 252,826,099.20
  5. Step 5: Solve for x
    x = 252,826,099.20/16,902.40
  6. Step 6: Final answer
    x = 14,958.00

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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.