Home / 13,916.73-20,880.23-6,523.59

Finding the Fourth Proportional to 13,916.73, 20,880.23 and 6,523.59

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Solution

The fourth proportional to 13,916.73, 20,880.23 and 6,523.59 is: 9,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.73 : 20,880.23 = 6,523.59 : x
  2. Step 2: Convert to fraction form
    13,916.73/20,880.23 = 6,523.59/x
  3. Step 3: Cross multiply
    13,916.73x = 20,880.23 × 6,523.59
  4. Step 4: Simplify right side
    13,916.73x = 136,214,027.01
  5. Step 5: Solve for x
    x = 136,214,027.01/13,916.73
  6. Step 6: Final answer
    x = 9,787.79

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1.5x scale

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.