Home / 13,742.64-20,586.48-6,336.96

Finding the Fourth Proportional to 13,742.64, 20,586.48 and 6,336.96

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Solution

The fourth proportional to 13,742.64, 20,586.48 and 6,336.96 is: 9,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.64 : 20,586.48 = 6,336.96 : x
  2. Step 2: Convert to fraction form
    13,742.64/20,586.48 = 6,336.96/x
  3. Step 3: Cross multiply
    13,742.64x = 20,586.48 × 6,336.96
  4. Step 4: Simplify right side
    13,742.64x = 130,455,700.30
  5. Step 5: Solve for x
    x = 130,455,700.30/13,742.64
  6. Step 6: Final answer
    x = 9,492.77

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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.