Home / 13,086.48-19,631.52-4,765.44

Finding the Fourth Proportional to 13,086.48, 19,631.52 and 4,765.44

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Solution

The fourth proportional to 13,086.48, 19,631.52 and 4,765.44 is: 7,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.48 : 19,631.52 = 4,765.44 : x
  2. Step 2: Convert to fraction form
    13,086.48/19,631.52 = 4,765.44/x
  3. Step 3: Cross multiply
    13,086.48x = 19,631.52 × 4,765.44
  4. Step 4: Simplify right side
    13,086.48x = 93,552,830.67
  5. Step 5: Solve for x
    x = 93,552,830.67/13,086.48
  6. Step 6: Final answer
    x = 7,148.82

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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.