Home / 17,181.32-25,770.36-5,491.40

Finding the Fourth Proportional to 17,181.32, 25,770.36 and 5,491.40

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Solution

The fourth proportional to 17,181.32, 25,770.36 and 5,491.40 is: 8,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.32 : 25,770.36 = 5,491.40 : x
  2. Step 2: Convert to fraction form
    17,181.32/25,770.36 = 5,491.40/x
  3. Step 3: Cross multiply
    17,181.32x = 25,770.36 × 5,491.40
  4. Step 4: Simplify right side
    17,181.32x = 141,515,354.90
  5. Step 5: Solve for x
    x = 141,515,354.90/17,181.32
  6. Step 6: Final answer
    x = 8,236.58

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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.