Home / 13,006.93-19,510.94-4,122.06

Finding the Fourth Proportional to 13,006.93, 19,510.94 and 4,122.06

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Solution

The fourth proportional to 13,006.93, 19,510.94 and 4,122.06 is: 6,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.93 : 19,510.94 = 4,122.06 : x
  2. Step 2: Convert to fraction form
    13,006.93/19,510.94 = 4,122.06/x
  3. Step 3: Cross multiply
    13,006.93x = 19,510.94 × 4,122.06
  4. Step 4: Simplify right side
    13,006.93x = 80,425,274.93
  5. Step 5: Solve for x
    x = 80,425,274.93/13,006.93
  6. Step 6: Final answer
    x = 6,183.27

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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.