Home / 14,179.60-21,271.44-4,820.48

Finding the Fourth Proportional to 14,179.60, 21,271.44 and 4,820.48

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Solution

The fourth proportional to 14,179.60, 21,271.44 and 4,820.48 is: 7,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.60 : 21,271.44 = 4,820.48 : x
  2. Step 2: Convert to fraction form
    14,179.60/21,271.44 = 4,820.48/x
  3. Step 3: Cross multiply
    14,179.60x = 21,271.44 × 4,820.48
  4. Step 4: Simplify right side
    14,179.60x = 102,538,551.09
  5. Step 5: Solve for x
    x = 102,538,551.09/14,179.60
  6. Step 6: Final answer
    x = 7,231.41

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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.