Home / 15,916.60-23,874.78-4,230.64

Finding the Fourth Proportional to 15,916.60, 23,874.78 and 4,230.64

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Solution

The fourth proportional to 15,916.60, 23,874.78 and 4,230.64 is: 6,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.60 : 23,874.78 = 4,230.64 : x
  2. Step 2: Convert to fraction form
    15,916.60/23,874.78 = 4,230.64/x
  3. Step 3: Cross multiply
    15,916.60x = 23,874.78 × 4,230.64
  4. Step 4: Simplify right side
    15,916.60x = 101,005,599.26
  5. Step 5: Solve for x
    x = 101,005,599.26/15,916.60
  6. Step 6: Final answer
    x = 6,345.93

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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.