Home / 15,896.23-21,936.58-8,822.50

Finding the Fourth Proportional to 15,896.23, 21,936.58 and 8,822.50

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Solution

The fourth proportional to 15,896.23, 21,936.58 and 8,822.50 is: 12,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.23 : 21,936.58 = 8,822.50 : x
  2. Step 2: Convert to fraction form
    15,896.23/21,936.58 = 8,822.50/x
  3. Step 3: Cross multiply
    15,896.23x = 21,936.58 × 8,822.50
  4. Step 4: Simplify right side
    15,896.23x = 193,535,477.05
  5. Step 5: Solve for x
    x = 193,535,477.05/15,896.23
  6. Step 6: Final answer
    x = 12,174.93

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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.