Home / 15,790.10-23,704.35-11,863.70

Finding the Fourth Proportional to 15,790.10, 23,704.35 and 11,863.70

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Solution

The fourth proportional to 15,790.10, 23,704.35 and 11,863.70 is: 17,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.10 : 23,704.35 = 11,863.70 : x
  2. Step 2: Convert to fraction form
    15,790.10/23,704.35 = 11,863.70/x
  3. Step 3: Cross multiply
    15,790.10x = 23,704.35 × 11,863.70
  4. Step 4: Simplify right side
    15,790.10x = 281,221,297.10
  5. Step 5: Solve for x
    x = 281,221,297.10/15,790.10
  6. Step 6: Final answer
    x = 17,809.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.