Home / 15,297.06-21,111.03-8,583.33

Finding the Fourth Proportional to 15,297.06, 21,111.03 and 8,583.33

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Solution

The fourth proportional to 15,297.06, 21,111.03 and 8,583.33 is: 11,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.06 : 21,111.03 = 8,583.33 : x
  2. Step 2: Convert to fraction form
    15,297.06/21,111.03 = 8,583.33/x
  3. Step 3: Cross multiply
    15,297.06x = 21,111.03 × 8,583.33
  4. Step 4: Simplify right side
    15,297.06x = 181,202,937.13
  5. Step 5: Solve for x
    x = 181,202,937.13/15,297.06
  6. Step 6: Final answer
    x = 11,845.61

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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.