Home / 13,997.99-19,317.23-7,710.37

Finding the Fourth Proportional to 13,997.99, 19,317.23 and 7,710.37

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Solution

The fourth proportional to 13,997.99, 19,317.23 and 7,710.37 is: 10,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.99 : 19,317.23 = 7,710.37 : x
  2. Step 2: Convert to fraction form
    13,997.99/19,317.23 = 7,710.37/x
  3. Step 3: Cross multiply
    13,997.99x = 19,317.23 × 7,710.37
  4. Step 4: Simplify right side
    13,997.99x = 148,942,932.74
  5. Step 5: Solve for x
    x = 148,942,932.74/13,997.99
  6. Step 6: Final answer
    x = 10,640.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.