Home / 14,917.52-20,586.17-8,203.60

Finding the Fourth Proportional to 14,917.52, 20,586.17 and 8,203.60

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Solution

The fourth proportional to 14,917.52, 20,586.17 and 8,203.60 is: 11,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.52 : 20,586.17 = 8,203.60 : x
  2. Step 2: Convert to fraction form
    14,917.52/20,586.17 = 8,203.60/x
  3. Step 3: Cross multiply
    14,917.52x = 20,586.17 × 8,203.60
  4. Step 4: Simplify right side
    14,917.52x = 168,880,673.26
  5. Step 5: Solve for x
    x = 168,880,673.26/14,917.52
  6. Step 6: Final answer
    x = 11,320.97

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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.