Home / 20,549.22-28,357.98-11,596.74

Finding the Fourth Proportional to 20,549.22, 28,357.98 and 11,596.74

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Solution

The fourth proportional to 20,549.22, 28,357.98 and 11,596.74 is: 16,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.22 : 28,357.98 = 11,596.74 : x
  2. Step 2: Convert to fraction form
    20,549.22/28,357.98 = 11,596.74/x
  3. Step 3: Cross multiply
    20,549.22x = 28,357.98 × 11,596.74
  4. Step 4: Simplify right side
    20,549.22x = 328,860,120.99
  5. Step 5: Solve for x
    x = 328,860,120.99/20,549.22
  6. Step 6: Final answer
    x = 16,003.53

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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.