Home / 14,895.24-20,555.80-8,181.49

Finding the Fourth Proportional to 14,895.24, 20,555.80 and 8,181.49

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Solution

The fourth proportional to 14,895.24, 20,555.80 and 8,181.49 is: 11,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.24 : 20,555.80 = 8,181.49 : x
  2. Step 2: Convert to fraction form
    14,895.24/20,555.80 = 8,181.49/x
  3. Step 3: Cross multiply
    14,895.24x = 20,555.80 × 8,181.49
  4. Step 4: Simplify right side
    14,895.24x = 168,177,072.14
  5. Step 5: Solve for x
    x = 168,177,072.14/14,895.24
  6. Step 6: Final answer
    x = 11,290.66

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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.