Home / 22,010.06-30,362.72-13,930.08

Finding the Fourth Proportional to 22,010.06, 30,362.72 and 13,930.08

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Solution

The fourth proportional to 22,010.06, 30,362.72 and 13,930.08 is: 19,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.06 : 30,362.72 = 13,930.08 : x
  2. Step 2: Convert to fraction form
    22,010.06/30,362.72 = 13,930.08/x
  3. Step 3: Cross multiply
    22,010.06x = 30,362.72 × 13,930.08
  4. Step 4: Simplify right side
    22,010.06x = 422,954,935.11
  5. Step 5: Solve for x
    x = 422,954,935.11/22,010.06
  6. Step 6: Final answer
    x = 19,216.43

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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.