Home / 13,963.71-19,270.79-7,995.22

Finding the Fourth Proportional to 13,963.71, 19,270.79 and 7,995.22

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Solution

The fourth proportional to 13,963.71, 19,270.79 and 7,995.22 is: 11,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.71 : 19,270.79 = 7,995.22 : x
  2. Step 2: Convert to fraction form
    13,963.71/19,270.79 = 7,995.22/x
  3. Step 3: Cross multiply
    13,963.71x = 19,270.79 × 7,995.22
  4. Step 4: Simplify right side
    13,963.71x = 154,074,165.65
  5. Step 5: Solve for x
    x = 154,074,165.65/13,963.71
  6. Step 6: Final answer
    x = 11,033.90

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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.