Home / 16,998.96-25,508.16-7,137.36

Finding the Fourth Proportional to 16,998.96, 25,508.16 and 7,137.36

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Solution

The fourth proportional to 16,998.96, 25,508.16 and 7,137.36 is: 10,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.96 : 25,508.16 = 7,137.36 : x
  2. Step 2: Convert to fraction form
    16,998.96/25,508.16 = 7,137.36/x
  3. Step 3: Cross multiply
    16,998.96x = 25,508.16 × 7,137.36
  4. Step 4: Simplify right side
    16,998.96x = 182,060,920.86
  5. Step 5: Solve for x
    x = 182,060,920.86/16,998.96
  6. Step 6: Final answer
    x = 10,710.12

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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.