Home / 19,054.08-26,297.76-11,981.60

Finding the Fourth Proportional to 19,054.08, 26,297.76 and 11,981.60

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Solution

The fourth proportional to 19,054.08, 26,297.76 and 11,981.60 is: 16,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.08 : 26,297.76 = 11,981.60 : x
  2. Step 2: Convert to fraction form
    19,054.08/26,297.76 = 11,981.60/x
  3. Step 3: Cross multiply
    19,054.08x = 26,297.76 × 11,981.60
  4. Step 4: Simplify right side
    19,054.08x = 315,089,241.22
  5. Step 5: Solve for x
    x = 315,089,241.22/19,054.08
  6. Step 6: Final answer
    x = 16,536.58

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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.