Home / 19,817.56-27,350.74-11,864.16

Finding the Fourth Proportional to 19,817.56, 27,350.74 and 11,864.16

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Solution

The fourth proportional to 19,817.56, 27,350.74 and 11,864.16 is: 16,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.56 : 27,350.74 = 11,864.16 : x
  2. Step 2: Convert to fraction form
    19,817.56/27,350.74 = 11,864.16/x
  3. Step 3: Cross multiply
    19,817.56x = 27,350.74 × 11,864.16
  4. Step 4: Simplify right side
    19,817.56x = 324,493,555.48
  5. Step 5: Solve for x
    x = 324,493,555.48/19,817.56
  6. Step 6: Final answer
    x = 16,374.04

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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.