Home / 13,936.46-19,232.71-7,886.23

Finding the Fourth Proportional to 13,936.46, 19,232.71 and 7,886.23

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Solution

The fourth proportional to 13,936.46, 19,232.71 and 7,886.23 is: 10,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.46 : 19,232.71 = 7,886.23 : x
  2. Step 2: Convert to fraction form
    13,936.46/19,232.71 = 7,886.23/x
  3. Step 3: Cross multiply
    13,936.46x = 19,232.71 × 7,886.23
  4. Step 4: Simplify right side
    13,936.46x = 151,673,506.79
  5. Step 5: Solve for x
    x = 151,673,506.79/13,936.46
  6. Step 6: Final answer
    x = 10,883.22

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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.