Home / 14,260.68-21,388.86-5,494.32

Finding the Fourth Proportional to 14,260.68, 21,388.86 and 5,494.32

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Solution

The fourth proportional to 14,260.68, 21,388.86 and 5,494.32 is: 8,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.68 : 21,388.86 = 5,494.32 : x
  2. Step 2: Convert to fraction form
    14,260.68/21,388.86 = 5,494.32/x
  3. Step 3: Cross multiply
    14,260.68x = 21,388.86 × 5,494.32
  4. Step 4: Simplify right side
    14,260.68x = 117,517,241.28
  5. Step 5: Solve for x
    x = 117,517,241.28/14,260.68
  6. Step 6: Final answer
    x = 8,240.65

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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.