Home / 19,290.98-26,626.76-11,338.49

Finding the Fourth Proportional to 19,290.98, 26,626.76 and 11,338.49

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Solution

The fourth proportional to 19,290.98, 26,626.76 and 11,338.49 is: 15,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.98 : 26,626.76 = 11,338.49 : x
  2. Step 2: Convert to fraction form
    19,290.98/26,626.76 = 11,338.49/x
  3. Step 3: Cross multiply
    19,290.98x = 26,626.76 × 11,338.49
  4. Step 4: Simplify right side
    19,290.98x = 301,907,062.17
  5. Step 5: Solve for x
    x = 301,907,062.17/19,290.98
  6. Step 6: Final answer
    x = 15,650.17

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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.