Home / 19,924.89-27,495.81-11,428.44

Finding the Fourth Proportional to 19,924.89, 27,495.81 and 11,428.44

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Solution

The fourth proportional to 19,924.89, 27,495.81 and 11,428.44 is: 15,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.89 : 27,495.81 = 11,428.44 : x
  2. Step 2: Convert to fraction form
    19,924.89/27,495.81 = 11,428.44/x
  3. Step 3: Cross multiply
    19,924.89x = 27,495.81 × 11,428.44
  4. Step 4: Simplify right side
    19,924.89x = 314,234,214.84
  5. Step 5: Solve for x
    x = 314,234,214.84/19,924.89
  6. Step 6: Final answer
    x = 15,770.94

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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.