Home / 13,660.92-18,852.35-8,283.33

Finding the Fourth Proportional to 13,660.92, 18,852.35 and 8,283.33

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Solution

The fourth proportional to 13,660.92, 18,852.35 and 8,283.33 is: 11,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.92 : 18,852.35 = 8,283.33 : x
  2. Step 2: Convert to fraction form
    13,660.92/18,852.35 = 8,283.33/x
  3. Step 3: Cross multiply
    13,660.92x = 18,852.35 × 8,283.33
  4. Step 4: Simplify right side
    13,660.92x = 156,160,194.91
  5. Step 5: Solve for x
    x = 156,160,194.91/13,660.92
  6. Step 6: Final answer
    x = 11,431.16

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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.