Home / 14,609.76-20,162.52-8,322.54

Finding the Fourth Proportional to 14,609.76, 20,162.52 and 8,322.54

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Solution

The fourth proportional to 14,609.76, 20,162.52 and 8,322.54 is: 11,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.76 : 20,162.52 = 8,322.54 : x
  2. Step 2: Convert to fraction form
    14,609.76/20,162.52 = 8,322.54/x
  3. Step 3: Cross multiply
    14,609.76x = 20,162.52 × 8,322.54
  4. Step 4: Simplify right side
    14,609.76x = 167,803,379.20
  5. Step 5: Solve for x
    x = 167,803,379.20/14,609.76
  6. Step 6: Final answer
    x = 11,485.70

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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.