Home / 14,271.22-21,415.69-6,876.43

Finding the Fourth Proportional to 14,271.22, 21,415.69 and 6,876.43

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Solution

The fourth proportional to 14,271.22, 21,415.69 and 6,876.43 is: 10,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.22 : 21,415.69 = 6,876.43 : x
  2. Step 2: Convert to fraction form
    14,271.22/21,415.69 = 6,876.43/x
  3. Step 3: Cross multiply
    14,271.22x = 21,415.69 × 6,876.43
  4. Step 4: Simplify right side
    14,271.22x = 147,263,448.24
  5. Step 5: Solve for x
    x = 147,263,448.24/14,271.22
  6. Step 6: Final answer
    x = 10,318.91

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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.