Home / 20,303.37-30,439.62-14,046.75

Finding the Fourth Proportional to 20,303.37, 30,439.62 and 14,046.75

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Solution

The fourth proportional to 20,303.37, 30,439.62 and 14,046.75 is: 21,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.37 : 30,439.62 = 14,046.75 : x
  2. Step 2: Convert to fraction form
    20,303.37/30,439.62 = 14,046.75/x
  3. Step 3: Cross multiply
    20,303.37x = 30,439.62 × 14,046.75
  4. Step 4: Simplify right side
    20,303.37x = 427,577,732.24
  5. Step 5: Solve for x
    x = 427,577,732.24/20,303.37
  6. Step 6: Final answer
    x = 21,059.45

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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.