Home / 16,681.16-25,021.77-6,690.44

Finding the Fourth Proportional to 16,681.16, 25,021.77 and 6,690.44

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Solution

The fourth proportional to 16,681.16, 25,021.77 and 6,690.44 is: 10,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.16 : 25,021.77 = 6,690.44 : x
  2. Step 2: Convert to fraction form
    16,681.16/25,021.77 = 6,690.44/x
  3. Step 3: Cross multiply
    16,681.16x = 25,021.77 × 6,690.44
  4. Step 4: Simplify right side
    16,681.16x = 167,406,650.88
  5. Step 5: Solve for x
    x = 167,406,650.88/16,681.16
  6. Step 6: Final answer
    x = 10,035.67

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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.