Home / 24,815.72-34,245.84-13,485.31

Finding the Fourth Proportional to 24,815.72, 34,245.84 and 13,485.31

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Solution

The fourth proportional to 24,815.72, 34,245.84 and 13,485.31 is: 18,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,815.72 : 34,245.84 = 13,485.31 : x
  2. Step 2: Convert to fraction form
    24,815.72/34,245.84 = 13,485.31/x
  3. Step 3: Cross multiply
    24,815.72x = 34,245.84 × 13,485.31
  4. Step 4: Simplify right side
    24,815.72x = 461,815,733.57
  5. Step 5: Solve for x
    x = 461,815,733.57/24,815.72
  6. Step 6: Final answer
    x = 18,609.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.