Home / 23,078.36-31,848.10-12,467.98

Finding the Fourth Proportional to 23,078.36, 31,848.10 and 12,467.98

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Solution

The fourth proportional to 23,078.36, 31,848.10 and 12,467.98 is: 17,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.36 : 31,848.10 = 12,467.98 : x
  2. Step 2: Convert to fraction form
    23,078.36/31,848.10 = 12,467.98/x
  3. Step 3: Cross multiply
    23,078.36x = 31,848.10 × 12,467.98
  4. Step 4: Simplify right side
    23,078.36x = 397,081,473.84
  5. Step 5: Solve for x
    x = 397,081,473.84/23,078.36
  6. Step 6: Final answer
    x = 17,205.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.