Home / 13,975.88-19,276.94-9,194.31

Finding the Fourth Proportional to 13,975.88, 19,276.94 and 9,194.31

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Solution

The fourth proportional to 13,975.88, 19,276.94 and 9,194.31 is: 12,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.88 : 19,276.94 = 9,194.31 : x
  2. Step 2: Convert to fraction form
    13,975.88/19,276.94 = 9,194.31/x
  3. Step 3: Cross multiply
    13,975.88x = 19,276.94 × 9,194.31
  4. Step 4: Simplify right side
    13,975.88x = 177,238,185.20
  5. Step 5: Solve for x
    x = 177,238,185.20/13,975.88
  6. Step 6: Final answer
    x = 12,681.72

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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.