Home / 14,083.13-21,128.69-7,054.66

Finding the Fourth Proportional to 14,083.13, 21,128.69 and 7,054.66

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Solution

The fourth proportional to 14,083.13, 21,128.69 and 7,054.66 is: 10,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.13 : 21,128.69 = 7,054.66 : x
  2. Step 2: Convert to fraction form
    14,083.13/21,128.69 = 7,054.66/x
  3. Step 3: Cross multiply
    14,083.13x = 21,128.69 × 7,054.66
  4. Step 4: Simplify right side
    14,083.13x = 149,055,724.20
  5. Step 5: Solve for x
    x = 149,055,724.20/14,083.13
  6. Step 6: Final answer
    x = 10,583.99

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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.