Home / 20,199.51-30,252.24-19,498.86

Finding the Fourth Proportional to 20,199.51, 30,252.24 and 19,498.86

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Solution

The fourth proportional to 20,199.51, 30,252.24 and 19,498.86 is: 29,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.51 : 30,252.24 = 19,498.86 : x
  2. Step 2: Convert to fraction form
    20,199.51/30,252.24 = 19,498.86/x
  3. Step 3: Cross multiply
    20,199.51x = 30,252.24 × 19,498.86
  4. Step 4: Simplify right side
    20,199.51x = 589,884,192.45
  5. Step 5: Solve for x
    x = 589,884,192.45/20,199.51
  6. Step 6: Final answer
    x = 29,202.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.