Home / 18,383.23-25,366.79-10,829.07

Finding the Fourth Proportional to 18,383.23, 25,366.79 and 10,829.07

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Solution

The fourth proportional to 18,383.23, 25,366.79 and 10,829.07 is: 14,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.23 : 25,366.79 = 10,829.07 : x
  2. Step 2: Convert to fraction form
    18,383.23/25,366.79 = 10,829.07/x
  3. Step 3: Cross multiply
    18,383.23x = 25,366.79 × 10,829.07
  4. Step 4: Simplify right side
    18,383.23x = 274,698,771.66
  5. Step 5: Solve for x
    x = 274,698,771.66/18,383.23
  6. Step 6: Final answer
    x = 14,942.90

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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.