Home / 25,636.68-38,455.26-8,106.60

Finding the Fourth Proportional to 25,636.68, 38,455.26 and 8,106.60

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Solution

The fourth proportional to 25,636.68, 38,455.26 and 8,106.60 is: 12,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.68 : 38,455.26 = 8,106.60 : x
  2. Step 2: Convert to fraction form
    25,636.68/38,455.26 = 8,106.60/x
  3. Step 3: Cross multiply
    25,636.68x = 38,455.26 × 8,106.60
  4. Step 4: Simplify right side
    25,636.68x = 311,741,410.72
  5. Step 5: Solve for x
    x = 311,741,410.72/25,636.68
  6. Step 6: Final answer
    x = 12,159.98

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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.