Home / 18,195.50-25,109.69-10,237.57

Finding the Fourth Proportional to 18,195.50, 25,109.69 and 10,237.57

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Solution

The fourth proportional to 18,195.50, 25,109.69 and 10,237.57 is: 14,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.50 : 25,109.69 = 10,237.57 : x
  2. Step 2: Convert to fraction form
    18,195.50/25,109.69 = 10,237.57/x
  3. Step 3: Cross multiply
    18,195.50x = 25,109.69 × 10,237.57
  4. Step 4: Simplify right side
    18,195.50x = 257,062,095.09
  5. Step 5: Solve for x
    x = 257,062,095.09/18,195.50
  6. Step 6: Final answer
    x = 14,127.78

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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.