Home / 15,619.12-23,431.82-5,758.45

Finding the Fourth Proportional to 15,619.12, 23,431.82 and 5,758.45

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Solution

The fourth proportional to 15,619.12, 23,431.82 and 5,758.45 is: 8,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.12 : 23,431.82 = 5,758.45 : x
  2. Step 2: Convert to fraction form
    15,619.12/23,431.82 = 5,758.45/x
  3. Step 3: Cross multiply
    15,619.12x = 23,431.82 × 5,758.45
  4. Step 4: Simplify right side
    15,619.12x = 134,930,963.88
  5. Step 5: Solve for x
    x = 134,930,963.88/15,619.12
  6. Step 6: Final answer
    x = 8,638.83

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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.