Home / 16,840.20-25,272.45-9,436.80

Finding the Fourth Proportional to 16,840.20, 25,272.45 and 9,436.80

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Solution

The fourth proportional to 16,840.20, 25,272.45 and 9,436.80 is: 14,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.20 : 25,272.45 = 9,436.80 : x
  2. Step 2: Convert to fraction form
    16,840.20/25,272.45 = 9,436.80/x
  3. Step 3: Cross multiply
    16,840.20x = 25,272.45 × 9,436.80
  4. Step 4: Simplify right side
    16,840.20x = 238,491,056.16
  5. Step 5: Solve for x
    x = 238,491,056.16/16,840.20
  6. Step 6: Final answer
    x = 14,162.01

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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.