Home / 14,391.37-21,573.20-7,374.70

Finding the Fourth Proportional to 14,391.37, 21,573.20 and 7,374.70

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Solution

The fourth proportional to 14,391.37, 21,573.20 and 7,374.70 is: 11,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.37 : 21,573.20 = 7,374.70 : x
  2. Step 2: Convert to fraction form
    14,391.37/21,573.20 = 7,374.70/x
  3. Step 3: Cross multiply
    14,391.37x = 21,573.20 × 7,374.70
  4. Step 4: Simplify right side
    14,391.37x = 159,095,733.30
  5. Step 5: Solve for x
    x = 159,095,733.30/14,391.37
  6. Step 6: Final answer
    x = 11,054.94

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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.