Home / 14,916.62-20,586.25-8,203.43

Finding the Fourth Proportional to 14,916.62, 20,586.25 and 8,203.43

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Solution

The fourth proportional to 14,916.62, 20,586.25 and 8,203.43 is: 11,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.62 : 20,586.25 = 8,203.43 : x
  2. Step 2: Convert to fraction form
    14,916.62/20,586.25 = 8,203.43/x
  3. Step 3: Cross multiply
    14,916.62x = 20,586.25 × 8,203.43
  4. Step 4: Simplify right side
    14,916.62x = 168,877,840.33
  5. Step 5: Solve for x
    x = 168,877,840.33/14,916.62
  6. Step 6: Final answer
    x = 11,321.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.