Home / 21,184.06-29,233.59-11,752.54

Finding the Fourth Proportional to 21,184.06, 29,233.59 and 11,752.54

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Solution

The fourth proportional to 21,184.06, 29,233.59 and 11,752.54 is: 16,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.06 : 29,233.59 = 11,752.54 : x
  2. Step 2: Convert to fraction form
    21,184.06/29,233.59 = 11,752.54/x
  3. Step 3: Cross multiply
    21,184.06x = 29,233.59 × 11,752.54
  4. Step 4: Simplify right side
    21,184.06x = 343,568,935.82
  5. Step 5: Solve for x
    x = 343,568,935.82/21,184.06
  6. Step 6: Final answer
    x = 16,218.28

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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.