Home / 15,615.60-23,421.96-5,227.44

Finding the Fourth Proportional to 15,615.60, 23,421.96 and 5,227.44

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Solution

The fourth proportional to 15,615.60, 23,421.96 and 5,227.44 is: 7,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.60 : 23,421.96 = 5,227.44 : x
  2. Step 2: Convert to fraction form
    15,615.60/23,421.96 = 5,227.44/x
  3. Step 3: Cross multiply
    15,615.60x = 23,421.96 × 5,227.44
  4. Step 4: Simplify right side
    15,615.60x = 122,436,890.58
  5. Step 5: Solve for x
    x = 122,436,890.58/15,615.60
  6. Step 6: Final answer
    x = 7,840.68

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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.