Home / 19,498.76-26,906.64-11,539.58

Finding the Fourth Proportional to 19,498.76, 26,906.64 and 11,539.58

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Solution

The fourth proportional to 19,498.76, 26,906.64 and 11,539.58 is: 15,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.76 : 26,906.64 = 11,539.58 : x
  2. Step 2: Convert to fraction form
    19,498.76/26,906.64 = 11,539.58/x
  3. Step 3: Cross multiply
    19,498.76x = 26,906.64 × 11,539.58
  4. Step 4: Simplify right side
    19,498.76x = 310,491,324.81
  5. Step 5: Solve for x
    x = 310,491,324.81/19,498.76
  6. Step 6: Final answer
    x = 15,923.64

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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.