Home / 18,470.99-27,710.57-7,382.90

Finding the Fourth Proportional to 18,470.99, 27,710.57 and 7,382.90

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Solution

The fourth proportional to 18,470.99, 27,710.57 and 7,382.90 is: 11,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.99 : 27,710.57 = 7,382.90 : x
  2. Step 2: Convert to fraction form
    18,470.99/27,710.57 = 7,382.90/x
  3. Step 3: Cross multiply
    18,470.99x = 27,710.57 × 7,382.90
  4. Step 4: Simplify right side
    18,470.99x = 204,584,454.99
  5. Step 5: Solve for x
    x = 204,584,454.99/18,470.99
  6. Step 6: Final answer
    x = 11,075.99

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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.