Home / 13,455.22-20,182.88-4,684

Finding the Fourth Proportional to 13,455.22, 20,182.88 and 4,684

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Solution

The fourth proportional to 13,455.22, 20,182.88 and 4,684 is: 7,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.22 : 20,182.88 = 4,684 : x
  2. Step 2: Convert to fraction form
    13,455.22/20,182.88 = 4,684/x
  3. Step 3: Cross multiply
    13,455.22x = 20,182.88 × 4,684
  4. Step 4: Simplify right side
    13,455.22x = 94,536,609.92
  5. Step 5: Solve for x
    x = 94,536,609.92/13,455.22
  6. Step 6: Final answer
    x = 7,026.02

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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.