Home / 18,607.04-25,684.46-12,321.44

Finding the Fourth Proportional to 18,607.04, 25,684.46 and 12,321.44

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Solution

The fourth proportional to 18,607.04, 25,684.46 and 12,321.44 is: 17,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.04 : 25,684.46 = 12,321.44 : x
  2. Step 2: Convert to fraction form
    18,607.04/25,684.46 = 12,321.44/x
  3. Step 3: Cross multiply
    18,607.04x = 25,684.46 × 12,321.44
  4. Step 4: Simplify right side
    18,607.04x = 316,469,532.82
  5. Step 5: Solve for x
    x = 316,469,532.82/18,607.04
  6. Step 6: Final answer
    x = 17,008.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.