Home / 16,937.90-25,370.40-14,021.90

Finding the Fourth Proportional to 16,937.90, 25,370.40 and 14,021.90

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Solution

The fourth proportional to 16,937.90, 25,370.40 and 14,021.90 is: 21,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.90 : 25,370.40 = 14,021.90 : x
  2. Step 2: Convert to fraction form
    16,937.90/25,370.40 = 14,021.90/x
  3. Step 3: Cross multiply
    16,937.90x = 25,370.40 × 14,021.90
  4. Step 4: Simplify right side
    16,937.90x = 355,741,211.76
  5. Step 5: Solve for x
    x = 355,741,211.76/16,937.90
  6. Step 6: Final answer
    x = 21,002.68

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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.