Home / 21,185.00-29,235.63-12,233.28

Finding the Fourth Proportional to 21,185.00, 29,235.63 and 12,233.28

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Solution

The fourth proportional to 21,185.00, 29,235.63 and 12,233.28 is: 16,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185.00 : 29,235.63 = 12,233.28 : x
  2. Step 2: Convert to fraction form
    21,185.00/29,235.63 = 12,233.28/x
  3. Step 3: Cross multiply
    21,185.00x = 29,235.63 × 12,233.28
  4. Step 4: Simplify right side
    21,185.00x = 357,647,647.77
  5. Step 5: Solve for x
    x = 357,647,647.77/21,185.00
  6. Step 6: Final answer
    x = 16,882.12

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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.