Home / 19,116.99-28,672.16-5,262.75

Finding the Fourth Proportional to 19,116.99, 28,672.16 and 5,262.75

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Solution

The fourth proportional to 19,116.99, 28,672.16 and 5,262.75 is: 7,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.99 : 28,672.16 = 5,262.75 : x
  2. Step 2: Convert to fraction form
    19,116.99/28,672.16 = 5,262.75/x
  3. Step 3: Cross multiply
    19,116.99x = 28,672.16 × 5,262.75
  4. Step 4: Simplify right side
    19,116.99x = 150,894,383.73
  5. Step 5: Solve for x
    x = 150,894,383.73/19,116.99
  6. Step 6: Final answer
    x = 7,893.21

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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.