Home / 14,610.95-20,163.20-7,896.56

Finding the Fourth Proportional to 14,610.95, 20,163.20 and 7,896.56

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Solution

The fourth proportional to 14,610.95, 20,163.20 and 7,896.56 is: 10,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.95 : 20,163.20 = 7,896.56 : x
  2. Step 2: Convert to fraction form
    14,610.95/20,163.20 = 7,896.56/x
  3. Step 3: Cross multiply
    14,610.95x = 20,163.20 × 7,896.56
  4. Step 4: Simplify right side
    14,610.95x = 159,219,893.39
  5. Step 5: Solve for x
    x = 159,219,893.39/14,610.95
  6. Step 6: Final answer
    x = 10,897.30

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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.