Home / 20,546.04-28,353.58-11,114.60

Finding the Fourth Proportional to 20,546.04, 28,353.58 and 11,114.60

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Solution

The fourth proportional to 20,546.04, 28,353.58 and 11,114.60 is: 15,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.04 : 28,353.58 = 11,114.60 : x
  2. Step 2: Convert to fraction form
    20,546.04/28,353.58 = 11,114.60/x
  3. Step 3: Cross multiply
    20,546.04x = 28,353.58 × 11,114.60
  4. Step 4: Simplify right side
    20,546.04x = 315,138,700.27
  5. Step 5: Solve for x
    x = 315,138,700.27/20,546.04
  6. Step 6: Final answer
    x = 15,338.17

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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.