Home / 20,596.56-28,401.48-15,282.96

Finding the Fourth Proportional to 20,596.56, 28,401.48 and 15,282.96

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Solution

The fourth proportional to 20,596.56, 28,401.48 and 15,282.96 is: 21,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.56 : 28,401.48 = 15,282.96 : x
  2. Step 2: Convert to fraction form
    20,596.56/28,401.48 = 15,282.96/x
  3. Step 3: Cross multiply
    20,596.56x = 28,401.48 × 15,282.96
  4. Step 4: Simplify right side
    20,596.56x = 434,058,682.78
  5. Step 5: Solve for x
    x = 434,058,682.78/20,596.56
  6. Step 6: Final answer
    x = 21,074.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.