Home / 19,279.36-26,597.64-12,993.76

Finding the Fourth Proportional to 19,279.36, 26,597.64 and 12,993.76

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Solution

The fourth proportional to 19,279.36, 26,597.64 and 12,993.76 is: 17,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.36 : 26,597.64 = 12,993.76 : x
  2. Step 2: Convert to fraction form
    19,279.36/26,597.64 = 12,993.76/x
  3. Step 3: Cross multiply
    19,279.36x = 26,597.64 × 12,993.76
  4. Step 4: Simplify right side
    19,279.36x = 345,603,350.73
  5. Step 5: Solve for x
    x = 345,603,350.73/19,279.36
  6. Step 6: Final answer
    x = 17,926.08

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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.