Home / 16,958.13-23,402.49-9,404.77

Finding the Fourth Proportional to 16,958.13, 23,402.49 and 9,404.77

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Solution

The fourth proportional to 16,958.13, 23,402.49 and 9,404.77 is: 12,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.13 : 23,402.49 = 9,404.77 : x
  2. Step 2: Convert to fraction form
    16,958.13/23,402.49 = 9,404.77/x
  3. Step 3: Cross multiply
    16,958.13x = 23,402.49 × 9,404.77
  4. Step 4: Simplify right side
    16,958.13x = 220,095,035.88
  5. Step 5: Solve for x
    x = 220,095,035.88/16,958.13
  6. Step 6: Final answer
    x = 12,978.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.