Home / 18,330.55-27,477.60-8,452.60

Finding the Fourth Proportional to 18,330.55, 27,477.60 and 8,452.60

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Solution

The fourth proportional to 18,330.55, 27,477.60 and 8,452.60 is: 12,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.55 : 27,477.60 = 8,452.60 : x
  2. Step 2: Convert to fraction form
    18,330.55/27,477.60 = 8,452.60/x
  3. Step 3: Cross multiply
    18,330.55x = 27,477.60 × 8,452.60
  4. Step 4: Simplify right side
    18,330.55x = 232,257,161.76
  5. Step 5: Solve for x
    x = 232,257,161.76/18,330.55
  6. Step 6: Final answer
    x = 12,670.50

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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.