Home / 22,967.45-31,696.91-12,896.56

Finding the Fourth Proportional to 22,967.45, 31,696.91 and 12,896.56

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Solution

The fourth proportional to 22,967.45, 31,696.91 and 12,896.56 is: 17,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,967.45 : 31,696.91 = 12,896.56 : x
  2. Step 2: Convert to fraction form
    22,967.45/31,696.91 = 12,896.56/x
  3. Step 3: Cross multiply
    22,967.45x = 31,696.91 × 12,896.56
  4. Step 4: Simplify right side
    22,967.45x = 408,780,975.39
  5. Step 5: Solve for x
    x = 408,780,975.39/22,967.45
  6. Step 6: Final answer
    x = 17,798.28

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1.5x scale

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.