Home / 25,152.58-37,722.12-11,978.74

Finding the Fourth Proportional to 25,152.58, 37,722.12 and 11,978.74

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Solution

The fourth proportional to 25,152.58, 37,722.12 and 11,978.74 is: 17,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.58 : 37,722.12 = 11,978.74 : x
  2. Step 2: Convert to fraction form
    25,152.58/37,722.12 = 11,978.74/x
  3. Step 3: Cross multiply
    25,152.58x = 37,722.12 × 11,978.74
  4. Step 4: Simplify right side
    25,152.58x = 451,863,467.73
  5. Step 5: Solve for x
    x = 451,863,467.73/25,152.58
  6. Step 6: Final answer
    x = 17,964.90

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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.