Home / 15,874.26-23,811.12-5,485.74

Finding the Fourth Proportional to 15,874.26, 23,811.12 and 5,485.74

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Solution

The fourth proportional to 15,874.26, 23,811.12 and 5,485.74 is: 8,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.26 : 23,811.12 = 5,485.74 : x
  2. Step 2: Convert to fraction form
    15,874.26/23,811.12 = 5,485.74/x
  3. Step 3: Cross multiply
    15,874.26x = 23,811.12 × 5,485.74
  4. Step 4: Simplify right side
    15,874.26x = 130,621,613.43
  5. Step 5: Solve for x
    x = 130,621,613.43/15,874.26
  6. Step 6: Final answer
    x = 8,228.52

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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.