Home / 16,832.64-25,236.81-5,139.48

Finding the Fourth Proportional to 16,832.64, 25,236.81 and 5,139.48

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Solution

The fourth proportional to 16,832.64, 25,236.81 and 5,139.48 is: 7,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.64 : 25,236.81 = 5,139.48 : x
  2. Step 2: Convert to fraction form
    16,832.64/25,236.81 = 5,139.48/x
  3. Step 3: Cross multiply
    16,832.64x = 25,236.81 × 5,139.48
  4. Step 4: Simplify right side
    16,832.64x = 129,704,080.26
  5. Step 5: Solve for x
    x = 129,704,080.26/16,832.64
  6. Step 6: Final answer
    x = 7,705.51

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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.