Home / 18,270.09-25,212.87-10,204.52

Finding the Fourth Proportional to 18,270.09, 25,212.87 and 10,204.52

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Solution

The fourth proportional to 18,270.09, 25,212.87 and 10,204.52 is: 14,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.09 : 25,212.87 = 10,204.52 : x
  2. Step 2: Convert to fraction form
    18,270.09/25,212.87 = 10,204.52/x
  3. Step 3: Cross multiply
    18,270.09x = 25,212.87 × 10,204.52
  4. Step 4: Simplify right side
    18,270.09x = 257,285,110.11
  5. Step 5: Solve for x
    x = 257,285,110.11/18,270.09
  6. Step 6: Final answer
    x = 14,082.31

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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.