Home / 14,307.30-21,458.66-3,916.62

Finding the Fourth Proportional to 14,307.30, 21,458.66 and 3,916.62

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Solution

The fourth proportional to 14,307.30, 21,458.66 and 3,916.62 is: 5,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.30 : 21,458.66 = 3,916.62 : x
  2. Step 2: Convert to fraction form
    14,307.30/21,458.66 = 3,916.62/x
  3. Step 3: Cross multiply
    14,307.30x = 21,458.66 × 3,916.62
  4. Step 4: Simplify right side
    14,307.30x = 84,045,397.35
  5. Step 5: Solve for x
    x = 84,045,397.35/14,307.30
  6. Step 6: Final answer
    x = 5,874.30

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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.