Home / 14,647.52-21,971.64-5,288.32

Finding the Fourth Proportional to 14,647.52, 21,971.64 and 5,288.32

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Solution

The fourth proportional to 14,647.52, 21,971.64 and 5,288.32 is: 7,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.52 : 21,971.64 = 5,288.32 : x
  2. Step 2: Convert to fraction form
    14,647.52/21,971.64 = 5,288.32/x
  3. Step 3: Cross multiply
    14,647.52x = 21,971.64 × 5,288.32
  4. Step 4: Simplify right side
    14,647.52x = 116,193,063.24
  5. Step 5: Solve for x
    x = 116,193,063.24/14,647.52
  6. Step 6: Final answer
    x = 7,932.61

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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.