Home / 15,988.24-23,984.55-5,455.43

Finding the Fourth Proportional to 15,988.24, 23,984.55 and 5,455.43

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Solution

The fourth proportional to 15,988.24, 23,984.55 and 5,455.43 is: 8,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.24 : 23,984.55 = 5,455.43 : x
  2. Step 2: Convert to fraction form
    15,988.24/23,984.55 = 5,455.43/x
  3. Step 3: Cross multiply
    15,988.24x = 23,984.55 × 5,455.43
  4. Step 4: Simplify right side
    15,988.24x = 130,846,033.61
  5. Step 5: Solve for x
    x = 130,846,033.61/15,988.24
  6. Step 6: Final answer
    x = 8,183.89

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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.