Home / 13,092.88-19,632.96-4,771.60

Finding the Fourth Proportional to 13,092.88, 19,632.96 and 4,771.60

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Solution

The fourth proportional to 13,092.88, 19,632.96 and 4,771.60 is: 7,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.88 : 19,632.96 = 4,771.60 : x
  2. Step 2: Convert to fraction form
    13,092.88/19,632.96 = 4,771.60/x
  3. Step 3: Cross multiply
    13,092.88x = 19,632.96 × 4,771.60
  4. Step 4: Simplify right side
    13,092.88x = 93,680,631.94
  5. Step 5: Solve for x
    x = 93,680,631.94/13,092.88
  6. Step 6: Final answer
    x = 7,155.08

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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.