Home / 12,579.77-18,842.78-9,584.93

Finding the Fourth Proportional to 12,579.77, 18,842.78 and 9,584.93

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Solution

The fourth proportional to 12,579.77, 18,842.78 and 9,584.93 is: 14,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.77 : 18,842.78 = 9,584.93 : x
  2. Step 2: Convert to fraction form
    12,579.77/18,842.78 = 9,584.93/x
  3. Step 3: Cross multiply
    12,579.77x = 18,842.78 × 9,584.93
  4. Step 4: Simplify right side
    12,579.77x = 180,606,633.09
  5. Step 5: Solve for x
    x = 180,606,633.09/12,579.77
  6. Step 6: Final answer
    x = 14,356.92

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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.