Home / 13,936.06-20,905.94-7,362.51

Finding the Fourth Proportional to 13,936.06, 20,905.94 and 7,362.51

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Solution

The fourth proportional to 13,936.06, 20,905.94 and 7,362.51 is: 11,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.06 : 20,905.94 = 7,362.51 : x
  2. Step 2: Convert to fraction form
    13,936.06/20,905.94 = 7,362.51/x
  3. Step 3: Cross multiply
    13,936.06x = 20,905.94 × 7,362.51
  4. Step 4: Simplify right side
    13,936.06x = 153,920,192.31
  5. Step 5: Solve for x
    x = 153,920,192.31/13,936.06
  6. Step 6: Final answer
    x = 11,044.74

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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.