Home / 20,596.32-28,425.15-11,524.98

Finding the Fourth Proportional to 20,596.32, 28,425.15 and 11,524.98

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Solution

The fourth proportional to 20,596.32, 28,425.15 and 11,524.98 is: 15,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.32 : 28,425.15 = 11,524.98 : x
  2. Step 2: Convert to fraction form
    20,596.32/28,425.15 = 11,524.98/x
  3. Step 3: Cross multiply
    20,596.32x = 28,425.15 × 11,524.98
  4. Step 4: Simplify right side
    20,596.32x = 327,599,285.25
  5. Step 5: Solve for x
    x = 327,599,285.25/20,596.32
  6. Step 6: Final answer
    x = 15,905.72

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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.