Home / 17,916.49-26,874.69-4,768.88

Finding the Fourth Proportional to 17,916.49, 26,874.69 and 4,768.88

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Solution

The fourth proportional to 17,916.49, 26,874.69 and 4,768.88 is: 7,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.49 : 26,874.69 = 4,768.88 : x
  2. Step 2: Convert to fraction form
    17,916.49/26,874.69 = 4,768.88/x
  3. Step 3: Cross multiply
    17,916.49x = 26,874.69 × 4,768.88
  4. Step 4: Simplify right side
    17,916.49x = 128,162,019.39
  5. Step 5: Solve for x
    x = 128,162,019.39/17,916.49
  6. Step 6: Final answer
    x = 7,153.30

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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.