Home / 13,233.84-19,858.55-4,919.70

Finding the Fourth Proportional to 13,233.84, 19,858.55 and 4,919.70

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Solution

The fourth proportional to 13,233.84, 19,858.55 and 4,919.70 is: 7,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.84 : 19,858.55 = 4,919.70 : x
  2. Step 2: Convert to fraction form
    13,233.84/19,858.55 = 4,919.70/x
  3. Step 3: Cross multiply
    13,233.84x = 19,858.55 × 4,919.70
  4. Step 4: Simplify right side
    13,233.84x = 97,698,083.84
  5. Step 5: Solve for x
    x = 97,698,083.84/13,233.84
  6. Step 6: Final answer
    x = 7,382.44

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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.