Home / 13,896.57-20,838.54-5,995.35

Finding the Fourth Proportional to 13,896.57, 20,838.54 and 5,995.35

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Solution

The fourth proportional to 13,896.57, 20,838.54 and 5,995.35 is: 8,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.57 : 20,838.54 = 5,995.35 : x
  2. Step 2: Convert to fraction form
    13,896.57/20,838.54 = 5,995.35/x
  3. Step 3: Cross multiply
    13,896.57x = 20,838.54 × 5,995.35
  4. Step 4: Simplify right side
    13,896.57x = 124,934,340.79
  5. Step 5: Solve for x
    x = 124,934,340.79/13,896.57
  6. Step 6: Final answer
    x = 8,990.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.