Home / 13,538.52-20,306.44-4,176

Finding the Fourth Proportional to 13,538.52, 20,306.44 and 4,176

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Solution

The fourth proportional to 13,538.52, 20,306.44 and 4,176 is: 6,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.52 : 20,306.44 = 4,176 : x
  2. Step 2: Convert to fraction form
    13,538.52/20,306.44 = 4,176/x
  3. Step 3: Cross multiply
    13,538.52x = 20,306.44 × 4,176
  4. Step 4: Simplify right side
    13,538.52x = 84,799,693.44
  5. Step 5: Solve for x
    x = 84,799,693.44/13,538.52
  6. Step 6: Final answer
    x = 6,263.59

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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.