Home / 24,392.09-33,661.43-13,638.12

Finding the Fourth Proportional to 24,392.09, 33,661.43 and 13,638.12

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Solution

The fourth proportional to 24,392.09, 33,661.43 and 13,638.12 is: 18,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,392.09 : 33,661.43 = 13,638.12 : x
  2. Step 2: Convert to fraction form
    24,392.09/33,661.43 = 13,638.12/x
  3. Step 3: Cross multiply
    24,392.09x = 33,661.43 × 13,638.12
  4. Step 4: Simplify right side
    24,392.09x = 459,078,553.52
  5. Step 5: Solve for x
    x = 459,078,553.52/24,392.09
  6. Step 6: Final answer
    x = 18,820.80

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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.