Home / 18,404.36-25,394.56-10,853.07

Finding the Fourth Proportional to 18,404.36, 25,394.56 and 10,853.07

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Solution

The fourth proportional to 18,404.36, 25,394.56 and 10,853.07 is: 14,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.36 : 25,394.56 = 10,853.07 : x
  2. Step 2: Convert to fraction form
    18,404.36/25,394.56 = 10,853.07/x
  3. Step 3: Cross multiply
    18,404.36x = 25,394.56 × 10,853.07
  4. Step 4: Simplify right side
    18,404.36x = 275,608,910.17
  5. Step 5: Solve for x
    x = 275,608,910.17/18,404.36
  6. Step 6: Final answer
    x = 14,975.19

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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.