Home / 16,972.16-25,425.08-11,111

Finding the Fourth Proportional to 16,972.16, 25,425.08 and 11,111

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Solution

The fourth proportional to 16,972.16, 25,425.08 and 11,111 is: 16,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.16 : 25,425.08 = 11,111 : x
  2. Step 2: Convert to fraction form
    16,972.16/25,425.08 = 11,111/x
  3. Step 3: Cross multiply
    16,972.16x = 25,425.08 × 11,111
  4. Step 4: Simplify right side
    16,972.16x = 282,498,063.88
  5. Step 5: Solve for x
    x = 282,498,063.88/16,972.16
  6. Step 6: Final answer
    x = 16,644.79

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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.