Home / 20,546.16-28,349.88-12,047.88

Finding the Fourth Proportional to 20,546.16, 28,349.88 and 12,047.88

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Solution

The fourth proportional to 20,546.16, 28,349.88 and 12,047.88 is: 16,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.16 : 28,349.88 = 12,047.88 : x
  2. Step 2: Convert to fraction form
    20,546.16/28,349.88 = 12,047.88/x
  3. Step 3: Cross multiply
    20,546.16x = 28,349.88 × 12,047.88
  4. Step 4: Simplify right side
    20,546.16x = 341,555,952.25
  5. Step 5: Solve for x
    x = 341,555,952.25/20,546.16
  6. Step 6: Final answer
    x = 16,623.83

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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.