Home / 23,173.32-31,973.44-13,101.55

Finding the Fourth Proportional to 23,173.32, 31,973.44 and 13,101.55

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Solution

The fourth proportional to 23,173.32, 31,973.44 and 13,101.55 is: 18,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.32 : 31,973.44 = 13,101.55 : x
  2. Step 2: Convert to fraction form
    23,173.32/31,973.44 = 13,101.55/x
  3. Step 3: Cross multiply
    23,173.32x = 31,973.44 × 13,101.55
  4. Step 4: Simplify right side
    23,173.32x = 418,901,571.56
  5. Step 5: Solve for x
    x = 418,901,571.56/23,173.32
  6. Step 6: Final answer
    x = 18,076.89

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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.