Home / 19,832.53-27,369.36-12,280.09

Finding the Fourth Proportional to 19,832.53, 27,369.36 and 12,280.09

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Solution

The fourth proportional to 19,832.53, 27,369.36 and 12,280.09 is: 16,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.53 : 27,369.36 = 12,280.09 : x
  2. Step 2: Convert to fraction form
    19,832.53/27,369.36 = 12,280.09/x
  3. Step 3: Cross multiply
    19,832.53x = 27,369.36 × 12,280.09
  4. Step 4: Simplify right side
    19,832.53x = 336,098,204.04
  5. Step 5: Solve for x
    x = 336,098,204.04/19,832.53
  6. Step 6: Final answer
    x = 16,946.81

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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.