Home / 22,326.63-30,805.44-12,636.21

Finding the Fourth Proportional to 22,326.63, 30,805.44 and 12,636.21

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Solution

The fourth proportional to 22,326.63, 30,805.44 and 12,636.21 is: 17,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.63 : 30,805.44 = 12,636.21 : x
  2. Step 2: Convert to fraction form
    22,326.63/30,805.44 = 12,636.21/x
  3. Step 3: Cross multiply
    22,326.63x = 30,805.44 × 12,636.21
  4. Step 4: Simplify right side
    22,326.63x = 389,263,854.96
  5. Step 5: Solve for x
    x = 389,263,854.96/22,326.63
  6. Step 6: Final answer
    x = 17,434.96

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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.