Home / 20,254.54-30,379.38-5,462.32

Finding the Fourth Proportional to 20,254.54, 30,379.38 and 5,462.32

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Solution

The fourth proportional to 20,254.54, 30,379.38 and 5,462.32 is: 8,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.54 : 30,379.38 = 5,462.32 : x
  2. Step 2: Convert to fraction form
    20,254.54/30,379.38 = 5,462.32/x
  3. Step 3: Cross multiply
    20,254.54x = 30,379.38 × 5,462.32
  4. Step 4: Simplify right side
    20,254.54x = 165,941,894.96
  5. Step 5: Solve for x
    x = 165,941,894.96/20,254.54
  6. Step 6: Final answer
    x = 8,192.82

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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.