Home / 12,795.12-19,188.80-4,473.58

Finding the Fourth Proportional to 12,795.12, 19,188.80 and 4,473.58

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Solution

The fourth proportional to 12,795.12, 19,188.80 and 4,473.58 is: 6,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.12 : 19,188.80 = 4,473.58 : x
  2. Step 2: Convert to fraction form
    12,795.12/19,188.80 = 4,473.58/x
  3. Step 3: Cross multiply
    12,795.12x = 19,188.80 × 4,473.58
  4. Step 4: Simplify right side
    12,795.12x = 85,842,631.90
  5. Step 5: Solve for x
    x = 85,842,631.90/12,795.12
  6. Step 6: Final answer
    x = 6,709.02

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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.