Home / 18,195.07-25,109.30-10,237.43

Finding the Fourth Proportional to 18,195.07, 25,109.30 and 10,237.43

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Solution

The fourth proportional to 18,195.07, 25,109.30 and 10,237.43 is: 14,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.07 : 25,109.30 = 10,237.43 : x
  2. Step 2: Convert to fraction form
    18,195.07/25,109.30 = 10,237.43/x
  3. Step 3: Cross multiply
    18,195.07x = 25,109.30 × 10,237.43
  4. Step 4: Simplify right side
    18,195.07x = 257,054,701.10
  5. Step 5: Solve for x
    x = 257,054,701.10/18,195.07
  6. Step 6: Final answer
    x = 14,127.71

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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.