Home / 15,616.44-23,422.68-4,372.74

Finding the Fourth Proportional to 15,616.44, 23,422.68 and 4,372.74

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Solution

The fourth proportional to 15,616.44, 23,422.68 and 4,372.74 is: 6,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.44 : 23,422.68 = 4,372.74 : x
  2. Step 2: Convert to fraction form
    15,616.44/23,422.68 = 4,372.74/x
  3. Step 3: Cross multiply
    15,616.44x = 23,422.68 × 4,372.74
  4. Step 4: Simplify right side
    15,616.44x = 102,421,289.74
  5. Step 5: Solve for x
    x = 102,421,289.74/15,616.44
  6. Step 6: Final answer
    x = 6,558.56

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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.