Home / 19,240.57-28,861.68-7,556.32

Finding the Fourth Proportional to 19,240.57, 28,861.68 and 7,556.32

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Solution

The fourth proportional to 19,240.57, 28,861.68 and 7,556.32 is: 11,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.57 : 28,861.68 = 7,556.32 : x
  2. Step 2: Convert to fraction form
    19,240.57/28,861.68 = 7,556.32/x
  3. Step 3: Cross multiply
    19,240.57x = 28,861.68 × 7,556.32
  4. Step 4: Simplify right side
    19,240.57x = 218,088,089.82
  5. Step 5: Solve for x
    x = 218,088,089.82/19,240.57
  6. Step 6: Final answer
    x = 11,334.80

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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.