Home / 18,973.74-26,183.34-11,015.76

Finding the Fourth Proportional to 18,973.74, 26,183.34 and 11,015.76

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Solution

The fourth proportional to 18,973.74, 26,183.34 and 11,015.76 is: 15,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.74 : 26,183.34 = 11,015.76 : x
  2. Step 2: Convert to fraction form
    18,973.74/26,183.34 = 11,015.76/x
  3. Step 3: Cross multiply
    18,973.74x = 26,183.34 × 11,015.76
  4. Step 4: Simplify right side
    18,973.74x = 288,429,389.44
  5. Step 5: Solve for x
    x = 288,429,389.44/18,973.74
  6. Step 6: Final answer
    x = 15,201.50

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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.