Home / 14,586.08-20,125.56-8,613.68

Finding the Fourth Proportional to 14,586.08, 20,125.56 and 8,613.68

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Solution

The fourth proportional to 14,586.08, 20,125.56 and 8,613.68 is: 11,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.08 : 20,125.56 = 8,613.68 : x
  2. Step 2: Convert to fraction form
    14,586.08/20,125.56 = 8,613.68/x
  3. Step 3: Cross multiply
    14,586.08x = 20,125.56 × 8,613.68
  4. Step 4: Simplify right side
    14,586.08x = 173,355,133.66
  5. Step 5: Solve for x
    x = 173,355,133.66/14,586.08
  6. Step 6: Final answer
    x = 11,884.97

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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.