Home / 16,790.81-25,184.12-6,928.79

Finding the Fourth Proportional to 16,790.81, 25,184.12 and 6,928.79

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Solution

The fourth proportional to 16,790.81, 25,184.12 and 6,928.79 is: 10,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.81 : 25,184.12 = 6,928.79 : x
  2. Step 2: Convert to fraction form
    16,790.81/25,184.12 = 6,928.79/x
  3. Step 3: Cross multiply
    16,790.81x = 25,184.12 × 6,928.79
  4. Step 4: Simplify right side
    16,790.81x = 174,495,318.25
  5. Step 5: Solve for x
    x = 174,495,318.25/16,790.81
  6. Step 6: Final answer
    x = 10,392.31

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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.