Home / 21,593.44-29,798.56-12,161.80

Finding the Fourth Proportional to 21,593.44, 29,798.56 and 12,161.80

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Solution

The fourth proportional to 21,593.44, 29,798.56 and 12,161.80 is: 16,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.44 : 29,798.56 = 12,161.80 : x
  2. Step 2: Convert to fraction form
    21,593.44/29,798.56 = 12,161.80/x
  3. Step 3: Cross multiply
    21,593.44x = 29,798.56 × 12,161.80
  4. Step 4: Simplify right side
    21,593.44x = 362,404,127.01
  5. Step 5: Solve for x
    x = 362,404,127.01/21,593.44
  6. Step 6: Final answer
    x = 16,783.07

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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.