Home / 14,292.54-21,432.87-5,406.35

Finding the Fourth Proportional to 14,292.54, 21,432.87 and 5,406.35

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Solution

The fourth proportional to 14,292.54, 21,432.87 and 5,406.35 is: 8,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.54 : 21,432.87 = 5,406.35 : x
  2. Step 2: Convert to fraction form
    14,292.54/21,432.87 = 5,406.35/x
  3. Step 3: Cross multiply
    14,292.54x = 21,432.87 × 5,406.35
  4. Step 4: Simplify right side
    14,292.54x = 115,873,489.56
  5. Step 5: Solve for x
    x = 115,873,489.56/14,292.54
  6. Step 6: Final answer
    x = 8,107.27

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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.