Home / 14,006.22-21,002.85-5,240.94

Finding the Fourth Proportional to 14,006.22, 21,002.85 and 5,240.94

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Solution

The fourth proportional to 14,006.22, 21,002.85 and 5,240.94 is: 7,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.22 : 21,002.85 = 5,240.94 : x
  2. Step 2: Convert to fraction form
    14,006.22/21,002.85 = 5,240.94/x
  3. Step 3: Cross multiply
    14,006.22x = 21,002.85 × 5,240.94
  4. Step 4: Simplify right side
    14,006.22x = 110,074,676.68
  5. Step 5: Solve for x
    x = 110,074,676.68/14,006.22
  6. Step 6: Final answer
    x = 7,858.99

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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.