Home / 20,219.23-27,902.46-11,266.84

Finding the Fourth Proportional to 20,219.23, 27,902.46 and 11,266.84

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Solution

The fourth proportional to 20,219.23, 27,902.46 and 11,266.84 is: 15,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.23 : 27,902.46 = 11,266.84 : x
  2. Step 2: Convert to fraction form
    20,219.23/27,902.46 = 11,266.84/x
  3. Step 3: Cross multiply
    20,219.23x = 27,902.46 × 11,266.84
  4. Step 4: Simplify right side
    20,219.23x = 314,372,482.67
  5. Step 5: Solve for x
    x = 314,372,482.67/20,219.23
  6. Step 6: Final answer
    x = 15,548.19

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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.