Home / 19,529.35-29,295.38-7,842.56

Finding the Fourth Proportional to 19,529.35, 29,295.38 and 7,842.56

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Solution

The fourth proportional to 19,529.35, 29,295.38 and 7,842.56 is: 11,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.35 : 29,295.38 = 7,842.56 : x
  2. Step 2: Convert to fraction form
    19,529.35/29,295.38 = 7,842.56/x
  3. Step 3: Cross multiply
    19,529.35x = 29,295.38 × 7,842.56
  4. Step 4: Simplify right side
    19,529.35x = 229,750,868.22
  5. Step 5: Solve for x
    x = 229,750,868.22/19,529.35
  6. Step 6: Final answer
    x = 11,764.39

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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.