Home / 16,742.45-25,117.32-7,379.39

Finding the Fourth Proportional to 16,742.45, 25,117.32 and 7,379.39

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Solution

The fourth proportional to 16,742.45, 25,117.32 and 7,379.39 is: 11,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.45 : 25,117.32 = 7,379.39 : x
  2. Step 2: Convert to fraction form
    16,742.45/25,117.32 = 7,379.39/x
  3. Step 3: Cross multiply
    16,742.45x = 25,117.32 × 7,379.39
  4. Step 4: Simplify right side
    16,742.45x = 185,350,500.03
  5. Step 5: Solve for x
    x = 185,350,500.03/16,742.45
  6. Step 6: Final answer
    x = 11,070.69

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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.