Home / 13,849.21-19,107.16-7,798.51

Finding the Fourth Proportional to 13,849.21, 19,107.16 and 7,798.51

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Solution

The fourth proportional to 13,849.21, 19,107.16 and 7,798.51 is: 10,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.21 : 19,107.16 = 7,798.51 : x
  2. Step 2: Convert to fraction form
    13,849.21/19,107.16 = 7,798.51/x
  3. Step 3: Cross multiply
    13,849.21x = 19,107.16 × 7,798.51
  4. Step 4: Simplify right side
    13,849.21x = 149,007,382.72
  5. Step 5: Solve for x
    x = 149,007,382.72/13,849.21
  6. Step 6: Final answer
    x = 10,759.27

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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.