Home / 22,519.34-33,779.71-7,728.07

Finding the Fourth Proportional to 22,519.34, 33,779.71 and 7,728.07

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Solution

The fourth proportional to 22,519.34, 33,779.71 and 7,728.07 is: 11,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.34 : 33,779.71 = 7,728.07 : x
  2. Step 2: Convert to fraction form
    22,519.34/33,779.71 = 7,728.07/x
  3. Step 3: Cross multiply
    22,519.34x = 33,779.71 × 7,728.07
  4. Step 4: Simplify right side
    22,519.34x = 261,051,794.56
  5. Step 5: Solve for x
    x = 261,051,794.56/22,519.34
  6. Step 6: Final answer
    x = 11,592.34

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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.