Home / 16,966.16-25,455.72-9,578.96

Finding the Fourth Proportional to 16,966.16, 25,455.72 and 9,578.96

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Solution

The fourth proportional to 16,966.16, 25,455.72 and 9,578.96 is: 14,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.16 : 25,455.72 = 9,578.96 : x
  2. Step 2: Convert to fraction form
    16,966.16/25,455.72 = 9,578.96/x
  3. Step 3: Cross multiply
    16,966.16x = 25,455.72 × 9,578.96
  4. Step 4: Simplify right side
    16,966.16x = 243,839,323.65
  5. Step 5: Solve for x
    x = 243,839,323.65/16,966.16
  6. Step 6: Final answer
    x = 14,372.10

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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.