Home / 15,916.16-23,874.60-4,230.56

Finding the Fourth Proportional to 15,916.16, 23,874.60 and 4,230.56

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Solution

The fourth proportional to 15,916.16, 23,874.60 and 4,230.56 is: 6,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.16 : 23,874.60 = 4,230.56 : x
  2. Step 2: Convert to fraction form
    15,916.16/23,874.60 = 4,230.56/x
  3. Step 3: Cross multiply
    15,916.16x = 23,874.60 × 4,230.56
  4. Step 4: Simplify right side
    15,916.16x = 101,002,927.78
  5. Step 5: Solve for x
    x = 101,002,927.78/15,916.16
  6. Step 6: Final answer
    x = 6,345.94

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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.