Home / 21,632.98-29,853.21-12,204.58

Finding the Fourth Proportional to 21,632.98, 29,853.21 and 12,204.58

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Solution

The fourth proportional to 21,632.98, 29,853.21 and 12,204.58 is: 16,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.98 : 29,853.21 = 12,204.58 : x
  2. Step 2: Convert to fraction form
    21,632.98/29,853.21 = 12,204.58/x
  3. Step 3: Cross multiply
    21,632.98x = 29,853.21 × 12,204.58
  4. Step 4: Simplify right side
    21,632.98x = 364,345,889.70
  5. Step 5: Solve for x
    x = 364,345,889.70/21,632.98
  6. Step 6: Final answer
    x = 16,842.15

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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.