Home / 13,527.60-20,280.78-8,596.32

Finding the Fourth Proportional to 13,527.60, 20,280.78 and 8,596.32

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Solution

The fourth proportional to 13,527.60, 20,280.78 and 8,596.32 is: 12,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.60 : 20,280.78 = 8,596.32 : x
  2. Step 2: Convert to fraction form
    13,527.60/20,280.78 = 8,596.32/x
  3. Step 3: Cross multiply
    13,527.60x = 20,280.78 × 8,596.32
  4. Step 4: Simplify right side
    13,527.60x = 174,340,074.73
  5. Step 5: Solve for x
    x = 174,340,074.73/13,527.60
  6. Step 6: Final answer
    x = 12,887.73

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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.