Home / 19,076.58-28,614.60-7,392.06

Finding the Fourth Proportional to 19,076.58, 28,614.60 and 7,392.06

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Solution

The fourth proportional to 19,076.58, 28,614.60 and 7,392.06 is: 11,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.58 : 28,614.60 = 7,392.06 : x
  2. Step 2: Convert to fraction form
    19,076.58/28,614.60 = 7,392.06/x
  3. Step 3: Cross multiply
    19,076.58x = 28,614.60 × 7,392.06
  4. Step 4: Simplify right side
    19,076.58x = 211,520,840.08
  5. Step 5: Solve for x
    x = 211,520,840.08/19,076.58
  6. Step 6: Final answer
    x = 11,087.99

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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.