Home / 23,156.46-34,639.55-18,485.60

Finding the Fourth Proportional to 23,156.46, 34,639.55 and 18,485.60

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Solution

The fourth proportional to 23,156.46, 34,639.55 and 18,485.60 is: 27,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.46 : 34,639.55 = 18,485.60 : x
  2. Step 2: Convert to fraction form
    23,156.46/34,639.55 = 18,485.60/x
  3. Step 3: Cross multiply
    23,156.46x = 34,639.55 × 18,485.60
  4. Step 4: Simplify right side
    23,156.46x = 640,332,599.85
  5. Step 5: Solve for x
    x = 640,332,599.85/23,156.46
  6. Step 6: Final answer
    x = 27,652.43

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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.