Home / 14,891.41-20,549.34-8,177.92

Finding the Fourth Proportional to 14,891.41, 20,549.34 and 8,177.92

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Solution

The fourth proportional to 14,891.41, 20,549.34 and 8,177.92 is: 11,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.41 : 20,549.34 = 8,177.92 : x
  2. Step 2: Convert to fraction form
    14,891.41/20,549.34 = 8,177.92/x
  3. Step 3: Cross multiply
    14,891.41x = 20,549.34 × 8,177.92
  4. Step 4: Simplify right side
    14,891.41x = 168,050,858.57
  5. Step 5: Solve for x
    x = 168,050,858.57/14,891.41
  6. Step 6: Final answer
    x = 11,285.09

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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.