Home / 23,201.69-32,013.36-13,126.91

Finding the Fourth Proportional to 23,201.69, 32,013.36 and 13,126.91

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Solution

The fourth proportional to 23,201.69, 32,013.36 and 13,126.91 is: 18,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.69 : 32,013.36 = 13,126.91 : x
  2. Step 2: Convert to fraction form
    23,201.69/32,013.36 = 13,126.91/x
  3. Step 3: Cross multiply
    23,201.69x = 32,013.36 × 13,126.91
  4. Step 4: Simplify right side
    23,201.69x = 420,236,335.45
  5. Step 5: Solve for x
    x = 420,236,335.45/23,201.69
  6. Step 6: Final answer
    x = 18,112.32

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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.