Home / 18,790.52-25,930.94-10,407.02

Finding the Fourth Proportional to 18,790.52, 25,930.94 and 10,407.02

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Solution

The fourth proportional to 18,790.52, 25,930.94 and 10,407.02 is: 14,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.52 : 25,930.94 = 10,407.02 : x
  2. Step 2: Convert to fraction form
    18,790.52/25,930.94 = 10,407.02/x
  3. Step 3: Cross multiply
    18,790.52x = 25,930.94 × 10,407.02
  4. Step 4: Simplify right side
    18,790.52x = 269,863,629.51
  5. Step 5: Solve for x
    x = 269,863,629.51/18,790.52
  6. Step 6: Final answer
    x = 14,361.69

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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.