Home / 20,236.53-27,960.69-14,560.05

Finding the Fourth Proportional to 20,236.53, 27,960.69 and 14,560.05

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Solution

The fourth proportional to 20,236.53, 27,960.69 and 14,560.05 is: 20,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.53 : 27,960.69 = 14,560.05 : x
  2. Step 2: Convert to fraction form
    20,236.53/27,960.69 = 14,560.05/x
  3. Step 3: Cross multiply
    20,236.53x = 27,960.69 × 14,560.05
  4. Step 4: Simplify right side
    20,236.53x = 407,109,203.89
  5. Step 5: Solve for x
    x = 407,109,203.89/20,236.53
  6. Step 6: Final answer
    x = 20,117.54

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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.