Home / 15,550.31-23,329.49-4,457.81

Finding the Fourth Proportional to 15,550.31, 23,329.49 and 4,457.81

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Solution

The fourth proportional to 15,550.31, 23,329.49 and 4,457.81 is: 6,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.31 : 23,329.49 = 4,457.81 : x
  2. Step 2: Convert to fraction form
    15,550.31/23,329.49 = 4,457.81/x
  3. Step 3: Cross multiply
    15,550.31x = 23,329.49 × 4,457.81
  4. Step 4: Simplify right side
    15,550.31x = 103,998,382.37
  5. Step 5: Solve for x
    x = 103,998,382.37/15,550.31
  6. Step 6: Final answer
    x = 6,687.87

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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.