Home / 18,201.08-25,117.47-10,243.36

Finding the Fourth Proportional to 18,201.08, 25,117.47 and 10,243.36

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Solution

The fourth proportional to 18,201.08, 25,117.47 and 10,243.36 is: 14,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.08 : 25,117.47 = 10,243.36 : x
  2. Step 2: Convert to fraction form
    18,201.08/25,117.47 = 10,243.36/x
  3. Step 3: Cross multiply
    18,201.08x = 25,117.47 × 10,243.36
  4. Step 4: Simplify right side
    18,201.08x = 257,287,290.09
  5. Step 5: Solve for x
    x = 257,287,290.09/18,201.08
  6. Step 6: Final answer
    x = 14,135.83

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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.