Home / 13,097.86-19,644.84-4,775.92

Finding the Fourth Proportional to 13,097.86, 19,644.84 and 4,775.92

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Solution

The fourth proportional to 13,097.86, 19,644.84 and 4,775.92 is: 7,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.86 : 19,644.84 = 4,775.92 : x
  2. Step 2: Convert to fraction form
    13,097.86/19,644.84 = 4,775.92/x
  3. Step 3: Cross multiply
    13,097.86x = 19,644.84 × 4,775.92
  4. Step 4: Simplify right side
    13,097.86x = 93,822,184.25
  5. Step 5: Solve for x
    x = 93,822,184.25/13,097.86
  6. Step 6: Final answer
    x = 7,163.17

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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.