Home / 15,542.48-23,313.68-3,855.70

Finding the Fourth Proportional to 15,542.48, 23,313.68 and 3,855.70

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Solution

The fourth proportional to 15,542.48, 23,313.68 and 3,855.70 is: 5,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.48 : 23,313.68 = 3,855.70 : x
  2. Step 2: Convert to fraction form
    15,542.48/23,313.68 = 3,855.70/x
  3. Step 3: Cross multiply
    15,542.48x = 23,313.68 × 3,855.70
  4. Step 4: Simplify right side
    15,542.48x = 89,890,478.41
  5. Step 5: Solve for x
    x = 89,890,478.41/15,542.48
  6. Step 6: Final answer
    x = 5,783.53

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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.