Home / 19,168.12-26,450.58-10,783

Finding the Fourth Proportional to 19,168.12, 26,450.58 and 10,783

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Solution

The fourth proportional to 19,168.12, 26,450.58 and 10,783 is: 14,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.12 : 26,450.58 = 10,783 : x
  2. Step 2: Convert to fraction form
    19,168.12/26,450.58 = 10,783/x
  3. Step 3: Cross multiply
    19,168.12x = 26,450.58 × 10,783
  4. Step 4: Simplify right side
    19,168.12x = 285,216,604.14
  5. Step 5: Solve for x
    x = 285,216,604.14/19,168.12
  6. Step 6: Final answer
    x = 14,879.74

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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.