Home / 16,860.09-25,293.75-6,471.75

Finding the Fourth Proportional to 16,860.09, 25,293.75 and 6,471.75

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Solution

The fourth proportional to 16,860.09, 25,293.75 and 6,471.75 is: 9,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.09 : 25,293.75 = 6,471.75 : x
  2. Step 2: Convert to fraction form
    16,860.09/25,293.75 = 6,471.75/x
  3. Step 3: Cross multiply
    16,860.09x = 25,293.75 × 6,471.75
  4. Step 4: Simplify right side
    16,860.09x = 163,694,826.56
  5. Step 5: Solve for x
    x = 163,694,826.56/16,860.09
  6. Step 6: Final answer
    x = 9,709.01

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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.