Home / 20,625.06-28,462.59-11,672.37

Finding the Fourth Proportional to 20,625.06, 28,462.59 and 11,672.37

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Solution

The fourth proportional to 20,625.06, 28,462.59 and 11,672.37 is: 16,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.06 : 28,462.59 = 11,672.37 : x
  2. Step 2: Convert to fraction form
    20,625.06/28,462.59 = 11,672.37/x
  3. Step 3: Cross multiply
    20,625.06x = 28,462.59 × 11,672.37
  4. Step 4: Simplify right side
    20,625.06x = 332,225,881.64
  5. Step 5: Solve for x
    x = 332,225,881.64/20,625.06
  6. Step 6: Final answer
    x = 16,107.87

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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.