Home / 18,743.82-25,866.45-10,245.99

Finding the Fourth Proportional to 18,743.82, 25,866.45 and 10,245.99

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Solution

The fourth proportional to 18,743.82, 25,866.45 and 10,245.99 is: 14,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.82 : 25,866.45 = 10,245.99 : x
  2. Step 2: Convert to fraction form
    18,743.82/25,866.45 = 10,245.99/x
  3. Step 3: Cross multiply
    18,743.82x = 25,866.45 × 10,245.99
  4. Step 4: Simplify right side
    18,743.82x = 265,027,388.04
  5. Step 5: Solve for x
    x = 265,027,388.04/18,743.82
  6. Step 6: Final answer
    x = 14,139.45

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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.