Home / 18,191.83-25,107.79-10,533.99

Finding the Fourth Proportional to 18,191.83, 25,107.79 and 10,533.99

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Solution

The fourth proportional to 18,191.83, 25,107.79 and 10,533.99 is: 14,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.83 : 25,107.79 = 10,533.99 : x
  2. Step 2: Convert to fraction form
    18,191.83/25,107.79 = 10,533.99/x
  3. Step 3: Cross multiply
    18,191.83x = 25,107.79 × 10,533.99
  4. Step 4: Simplify right side
    18,191.83x = 264,485,208.78
  5. Step 5: Solve for x
    x = 264,485,208.78/18,191.83
  6. Step 6: Final answer
    x = 14,538.68

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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.