Home / 19,802.34-27,330.78-11,845.44

Finding the Fourth Proportional to 19,802.34, 27,330.78 and 11,845.44

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Solution

The fourth proportional to 19,802.34, 27,330.78 and 11,845.44 is: 16,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.34 : 27,330.78 = 11,845.44 : x
  2. Step 2: Convert to fraction form
    19,802.34/27,330.78 = 11,845.44/x
  3. Step 3: Cross multiply
    19,802.34x = 27,330.78 × 11,845.44
  4. Step 4: Simplify right side
    19,802.34x = 323,745,114.64
  5. Step 5: Solve for x
    x = 323,745,114.64/19,802.34
  6. Step 6: Final answer
    x = 16,348.83

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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.