Home / 14,935.76-20,610.15-8,648.54

Finding the Fourth Proportional to 14,935.76, 20,610.15 and 8,648.54

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Solution

The fourth proportional to 14,935.76, 20,610.15 and 8,648.54 is: 11,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.76 : 20,610.15 = 8,648.54 : x
  2. Step 2: Convert to fraction form
    14,935.76/20,610.15 = 8,648.54/x
  3. Step 3: Cross multiply
    14,935.76x = 20,610.15 × 8,648.54
  4. Step 4: Simplify right side
    14,935.76x = 178,247,706.68
  5. Step 5: Solve for x
    x = 178,247,706.68/14,935.76
  6. Step 6: Final answer
    x = 11,934.29

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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.