Home / 16,885.20-25,336.80-6,362.40

Finding the Fourth Proportional to 16,885.20, 25,336.80 and 6,362.40

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Solution

The fourth proportional to 16,885.20, 25,336.80 and 6,362.40 is: 9,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.20 : 25,336.80 = 6,362.40 : x
  2. Step 2: Convert to fraction form
    16,885.20/25,336.80 = 6,362.40/x
  3. Step 3: Cross multiply
    16,885.20x = 25,336.80 × 6,362.40
  4. Step 4: Simplify right side
    16,885.20x = 161,202,856.32
  5. Step 5: Solve for x
    x = 161,202,856.32/16,885.20
  6. Step 6: Final answer
    x = 9,546.99

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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.