Home / 17,181.06-25,767.38-12,555.56

Finding the Fourth Proportional to 17,181.06, 25,767.38 and 12,555.56

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Solution

The fourth proportional to 17,181.06, 25,767.38 and 12,555.56 is: 18,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.06 : 25,767.38 = 12,555.56 : x
  2. Step 2: Convert to fraction form
    17,181.06/25,767.38 = 12,555.56/x
  3. Step 3: Cross multiply
    17,181.06x = 25,767.38 × 12,555.56
  4. Step 4: Simplify right side
    17,181.06x = 323,523,885.63
  5. Step 5: Solve for x
    x = 323,523,885.63/17,181.06
  6. Step 6: Final answer
    x = 18,830.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.