Home / 18,790.99-25,930.86-10,293.18

Finding the Fourth Proportional to 18,790.99, 25,930.86 and 10,293.18

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Solution

The fourth proportional to 18,790.99, 25,930.86 and 10,293.18 is: 14,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.99 : 25,930.86 = 10,293.18 : x
  2. Step 2: Convert to fraction form
    18,790.99/25,930.86 = 10,293.18/x
  3. Step 3: Cross multiply
    18,790.99x = 25,930.86 × 10,293.18
  4. Step 4: Simplify right side
    18,790.99x = 266,910,972.09
  5. Step 5: Solve for x
    x = 266,910,972.09/18,790.99
  6. Step 6: Final answer
    x = 14,204.20

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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.