Home / 15,953.94-22,021.29-9,241.22

Finding the Fourth Proportional to 15,953.94, 22,021.29 and 9,241.22

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Solution

The fourth proportional to 15,953.94, 22,021.29 and 9,241.22 is: 12,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.94 : 22,021.29 = 9,241.22 : x
  2. Step 2: Convert to fraction form
    15,953.94/22,021.29 = 9,241.22/x
  3. Step 3: Cross multiply
    15,953.94x = 22,021.29 × 9,241.22
  4. Step 4: Simplify right side
    15,953.94x = 203,503,640.63
  5. Step 5: Solve for x
    x = 203,503,640.63/15,953.94
  6. Step 6: Final answer
    x = 12,755.70

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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.