Home / 19,766.45-27,267.41-13,393.37

Finding the Fourth Proportional to 19,766.45, 27,267.41 and 13,393.37

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Solution

The fourth proportional to 19,766.45, 27,267.41 and 13,393.37 is: 18,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.45 : 27,267.41 = 13,393.37 : x
  2. Step 2: Convert to fraction form
    19,766.45/27,267.41 = 13,393.37/x
  3. Step 3: Cross multiply
    19,766.45x = 27,267.41 × 13,393.37
  4. Step 4: Simplify right side
    19,766.45x = 365,202,307.77
  5. Step 5: Solve for x
    x = 365,202,307.77/19,766.45
  6. Step 6: Final answer
    x = 18,475.87

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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.