Home / 20,154.12-27,826.26-18,023.04

Finding the Fourth Proportional to 20,154.12, 27,826.26 and 18,023.04

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Solution

The fourth proportional to 20,154.12, 27,826.26 and 18,023.04 is: 24,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.12 : 27,826.26 = 18,023.04 : x
  2. Step 2: Convert to fraction form
    20,154.12/27,826.26 = 18,023.04/x
  3. Step 3: Cross multiply
    20,154.12x = 27,826.26 × 18,023.04
  4. Step 4: Simplify right side
    20,154.12x = 501,513,797.03
  5. Step 5: Solve for x
    x = 501,513,797.03/20,154.12
  6. Step 6: Final answer
    x = 24,883.93

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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.