Home / 14,608.95-20,162.12-8,236.77

Finding the Fourth Proportional to 14,608.95, 20,162.12 and 8,236.77

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Solution

The fourth proportional to 14,608.95, 20,162.12 and 8,236.77 is: 11,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.95 : 20,162.12 = 8,236.77 : x
  2. Step 2: Convert to fraction form
    14,608.95/20,162.12 = 8,236.77/x
  3. Step 3: Cross multiply
    14,608.95x = 20,162.12 × 8,236.77
  4. Step 4: Simplify right side
    14,608.95x = 166,070,697.86
  5. Step 5: Solve for x
    x = 166,070,697.86/14,608.95
  6. Step 6: Final answer
    x = 11,367.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.