Home / 22,970.44-31,696.74-12,899.96

Finding the Fourth Proportional to 22,970.44, 31,696.74 and 12,899.96

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Solution

The fourth proportional to 22,970.44, 31,696.74 and 12,899.96 is: 17,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.44 : 31,696.74 = 12,899.96 : x
  2. Step 2: Convert to fraction form
    22,970.44/31,696.74 = 12,899.96/x
  3. Step 3: Cross multiply
    22,970.44x = 31,696.74 × 12,899.96
  4. Step 4: Simplify right side
    22,970.44x = 408,886,678.13
  5. Step 5: Solve for x
    x = 408,886,678.13/22,970.44
  6. Step 6: Final answer
    x = 17,800.56

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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.