Home / 14,165.30-21,249.29-4,170.06

Finding the Fourth Proportional to 14,165.30, 21,249.29 and 4,170.06

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Solution

The fourth proportional to 14,165.30, 21,249.29 and 4,170.06 is: 6,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.30 : 21,249.29 = 4,170.06 : x
  2. Step 2: Convert to fraction form
    14,165.30/21,249.29 = 4,170.06/x
  3. Step 3: Cross multiply
    14,165.30x = 21,249.29 × 4,170.06
  4. Step 4: Simplify right side
    14,165.30x = 88,610,687.16
  5. Step 5: Solve for x
    x = 88,610,687.16/14,165.30
  6. Step 6: Final answer
    x = 6,255.48

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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.