Home / 14,886.30-20,544.73-8,513.48

Finding the Fourth Proportional to 14,886.30, 20,544.73 and 8,513.48

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Solution

The fourth proportional to 14,886.30, 20,544.73 and 8,513.48 is: 11,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.30 : 20,544.73 = 8,513.48 : x
  2. Step 2: Convert to fraction form
    14,886.30/20,544.73 = 8,513.48/x
  3. Step 3: Cross multiply
    14,886.30x = 20,544.73 × 8,513.48
  4. Step 4: Simplify right side
    14,886.30x = 174,907,105.39
  5. Step 5: Solve for x
    x = 174,907,105.39/14,886.30
  6. Step 6: Final answer
    x = 11,749.54

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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.