Home / 16,876.64-25,317.38-5,190.84

Finding the Fourth Proportional to 16,876.64, 25,317.38 and 5,190.84

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Solution

The fourth proportional to 16,876.64, 25,317.38 and 5,190.84 is: 7,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.64 : 25,317.38 = 5,190.84 : x
  2. Step 2: Convert to fraction form
    16,876.64/25,317.38 = 5,190.84/x
  3. Step 3: Cross multiply
    16,876.64x = 25,317.38 × 5,190.84
  4. Step 4: Simplify right side
    16,876.64x = 131,418,468.80
  5. Step 5: Solve for x
    x = 131,418,468.80/16,876.64
  6. Step 6: Final answer
    x = 7,787.00

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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.