Home / 23,182.06-31,991.26-12,571.69

Finding the Fourth Proportional to 23,182.06, 31,991.26 and 12,571.69

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Solution

The fourth proportional to 23,182.06, 31,991.26 and 12,571.69 is: 17,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.06 : 31,991.26 = 12,571.69 : x
  2. Step 2: Convert to fraction form
    23,182.06/31,991.26 = 12,571.69/x
  3. Step 3: Cross multiply
    23,182.06x = 31,991.26 × 12,571.69
  4. Step 4: Simplify right side
    23,182.06x = 402,184,203.43
  5. Step 5: Solve for x
    x = 402,184,203.43/23,182.06
  6. Step 6: Final answer
    x = 17,348.94

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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.