Home / 14,273.94-19,698.57-7,986.36

Finding the Fourth Proportional to 14,273.94, 19,698.57 and 7,986.36

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Solution

The fourth proportional to 14,273.94, 19,698.57 and 7,986.36 is: 11,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.94 : 19,698.57 = 7,986.36 : x
  2. Step 2: Convert to fraction form
    14,273.94/19,698.57 = 7,986.36/x
  3. Step 3: Cross multiply
    14,273.94x = 19,698.57 × 7,986.36
  4. Step 4: Simplify right side
    14,273.94x = 157,319,871.51
  5. Step 5: Solve for x
    x = 157,319,871.51/14,273.94
  6. Step 6: Final answer
    x = 11,021.47

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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.