Home / 23,012.36-34,490.27-11,912.72

Finding the Fourth Proportional to 23,012.36, 34,490.27 and 11,912.72

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Solution

The fourth proportional to 23,012.36, 34,490.27 and 11,912.72 is: 17,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.36 : 34,490.27 = 11,912.72 : x
  2. Step 2: Convert to fraction form
    23,012.36/34,490.27 = 11,912.72/x
  3. Step 3: Cross multiply
    23,012.36x = 34,490.27 × 11,912.72
  4. Step 4: Simplify right side
    23,012.36x = 410,872,697.22
  5. Step 5: Solve for x
    x = 410,872,697.22/23,012.36
  6. Step 6: Final answer
    x = 17,854.44

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1.5x scale

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.