Home / 14,021.15-21,031.52-4,167.09

Finding the Fourth Proportional to 14,021.15, 21,031.52 and 4,167.09

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Solution

The fourth proportional to 14,021.15, 21,031.52 and 4,167.09 is: 6,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.15 : 21,031.52 = 4,167.09 : x
  2. Step 2: Convert to fraction form
    14,021.15/21,031.52 = 4,167.09/x
  3. Step 3: Cross multiply
    14,021.15x = 21,031.52 × 4,167.09
  4. Step 4: Simplify right side
    14,021.15x = 87,640,215.84
  5. Step 5: Solve for x
    x = 87,640,215.84/14,021.15
  6. Step 6: Final answer
    x = 6,250.57

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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.