Home / 23,215.47-34,837.03-8,425.54

Finding the Fourth Proportional to 23,215.47, 34,837.03 and 8,425.54

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Solution

The fourth proportional to 23,215.47, 34,837.03 and 8,425.54 is: 12,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.47 : 34,837.03 = 8,425.54 : x
  2. Step 2: Convert to fraction form
    23,215.47/34,837.03 = 8,425.54/x
  3. Step 3: Cross multiply
    23,215.47x = 34,837.03 × 8,425.54
  4. Step 4: Simplify right side
    23,215.47x = 293,520,789.75
  5. Step 5: Solve for x
    x = 293,520,789.75/23,215.47
  6. Step 6: Final answer
    x = 12,643.33

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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.