Home / 13,612.08-20,416.26-3,749.94

Finding the Fourth Proportional to 13,612.08, 20,416.26 and 3,749.94

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Solution

The fourth proportional to 13,612.08, 20,416.26 and 3,749.94 is: 5,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.08 : 20,416.26 = 3,749.94 : x
  2. Step 2: Convert to fraction form
    13,612.08/20,416.26 = 3,749.94/x
  3. Step 3: Cross multiply
    13,612.08x = 20,416.26 × 3,749.94
  4. Step 4: Simplify right side
    13,612.08x = 76,559,750.02
  5. Step 5: Solve for x
    x = 76,559,750.02/13,612.08
  6. Step 6: Final answer
    x = 5,624.40

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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.