Home / 14,916.56-22,372.28-3,970

Finding the Fourth Proportional to 14,916.56, 22,372.28 and 3,970

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Solution

The fourth proportional to 14,916.56, 22,372.28 and 3,970 is: 5,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.56 : 22,372.28 = 3,970 : x
  2. Step 2: Convert to fraction form
    14,916.56/22,372.28 = 3,970/x
  3. Step 3: Cross multiply
    14,916.56x = 22,372.28 × 3,970
  4. Step 4: Simplify right side
    14,916.56x = 88,817,951.60
  5. Step 5: Solve for x
    x = 88,817,951.60/14,916.56
  6. Step 6: Final answer
    x = 5,954.32

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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.