Home / 19,173.17-28,759.76-8,784.92

Finding the Fourth Proportional to 19,173.17, 28,759.76 and 8,784.92

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Solution

The fourth proportional to 19,173.17, 28,759.76 and 8,784.92 is: 13,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.17 : 28,759.76 = 8,784.92 : x
  2. Step 2: Convert to fraction form
    19,173.17/28,759.76 = 8,784.92/x
  3. Step 3: Cross multiply
    19,173.17x = 28,759.76 × 8,784.92
  4. Step 4: Simplify right side
    19,173.17x = 252,652,190.82
  5. Step 5: Solve for x
    x = 252,652,190.82/19,173.17
  6. Step 6: Final answer
    x = 13,177.38

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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.