Home / 18,645.75-25,731.32-10,262.43

Finding the Fourth Proportional to 18,645.75, 25,731.32 and 10,262.43

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Solution

The fourth proportional to 18,645.75, 25,731.32 and 10,262.43 is: 14,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.75 : 25,731.32 = 10,262.43 : x
  2. Step 2: Convert to fraction form
    18,645.75/25,731.32 = 10,262.43/x
  3. Step 3: Cross multiply
    18,645.75x = 25,731.32 × 10,262.43
  4. Step 4: Simplify right side
    18,645.75x = 264,065,819.00
  5. Step 5: Solve for x
    x = 264,065,819.00/18,645.75
  6. Step 6: Final answer
    x = 14,162.25

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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.