Home / 19,633.62-27,110.75-18,209.01

Finding the Fourth Proportional to 19,633.62, 27,110.75 and 18,209.01

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Solution

The fourth proportional to 19,633.62, 27,110.75 and 18,209.01 is: 25,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.62 : 27,110.75 = 18,209.01 : x
  2. Step 2: Convert to fraction form
    19,633.62/27,110.75 = 18,209.01/x
  3. Step 3: Cross multiply
    19,633.62x = 27,110.75 × 18,209.01
  4. Step 4: Simplify right side
    19,633.62x = 493,659,826.81
  5. Step 5: Solve for x
    x = 493,659,826.81/19,633.62
  6. Step 6: Final answer
    x = 25,143.60

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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.