Home / 13,652.86-20,479.56-5,861.74

Finding the Fourth Proportional to 13,652.86, 20,479.56 and 5,861.74

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Solution

The fourth proportional to 13,652.86, 20,479.56 and 5,861.74 is: 8,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.86 : 20,479.56 = 5,861.74 : x
  2. Step 2: Convert to fraction form
    13,652.86/20,479.56 = 5,861.74/x
  3. Step 3: Cross multiply
    13,652.86x = 20,479.56 × 5,861.74
  4. Step 4: Simplify right side
    13,652.86x = 120,045,856.03
  5. Step 5: Solve for x
    x = 120,045,856.03/13,652.86
  6. Step 6: Final answer
    x = 8,792.73

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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.