Home / 18,922.74-26,113.34-10,969.56

Finding the Fourth Proportional to 18,922.74, 26,113.34 and 10,969.56

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Solution

The fourth proportional to 18,922.74, 26,113.34 and 10,969.56 is: 15,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.74 : 26,113.34 = 10,969.56 : x
  2. Step 2: Convert to fraction form
    18,922.74/26,113.34 = 10,969.56/x
  3. Step 3: Cross multiply
    18,922.74x = 26,113.34 × 10,969.56
  4. Step 4: Simplify right side
    18,922.74x = 286,451,849.93
  5. Step 5: Solve for x
    x = 286,451,849.93/18,922.74
  6. Step 6: Final answer
    x = 15,137.97

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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.