Home / 14,163.94-19,546.28-7,877.54

Finding the Fourth Proportional to 14,163.94, 19,546.28 and 7,877.54

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Solution

The fourth proportional to 14,163.94, 19,546.28 and 7,877.54 is: 10,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.94 : 19,546.28 = 7,877.54 : x
  2. Step 2: Convert to fraction form
    14,163.94/19,546.28 = 7,877.54/x
  3. Step 3: Cross multiply
    14,163.94x = 19,546.28 × 7,877.54
  4. Step 4: Simplify right side
    14,163.94x = 153,976,602.55
  5. Step 5: Solve for x
    x = 153,976,602.55/14,163.94
  6. Step 6: Final answer
    x = 10,871.03

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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.