Home / 18,442.99-25,451.26-10,485.21

Finding the Fourth Proportional to 18,442.99, 25,451.26 and 10,485.21

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Solution

The fourth proportional to 18,442.99, 25,451.26 and 10,485.21 is: 14,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.99 : 25,451.26 = 10,485.21 : x
  2. Step 2: Convert to fraction form
    18,442.99/25,451.26 = 10,485.21/x
  3. Step 3: Cross multiply
    18,442.99x = 25,451.26 × 10,485.21
  4. Step 4: Simplify right side
    18,442.99x = 266,861,934.07
  5. Step 5: Solve for x
    x = 266,861,934.07/18,442.99
  6. Step 6: Final answer
    x = 14,469.56

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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.