Home / 23,126.92-31,912.26-13,054.12

Finding the Fourth Proportional to 23,126.92, 31,912.26 and 13,054.12

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Solution

The fourth proportional to 23,126.92, 31,912.26 and 13,054.12 is: 18,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.92 : 31,912.26 = 13,054.12 : x
  2. Step 2: Convert to fraction form
    23,126.92/31,912.26 = 13,054.12/x
  3. Step 3: Cross multiply
    23,126.92x = 31,912.26 × 13,054.12
  4. Step 4: Simplify right side
    23,126.92x = 416,586,471.51
  5. Step 5: Solve for x
    x = 416,586,471.51/23,126.92
  6. Step 6: Final answer
    x = 18,013.05

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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.