Home / 14,009.88-21,016.98-4,150.68

Finding the Fourth Proportional to 14,009.88, 21,016.98 and 4,150.68

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Solution

The fourth proportional to 14,009.88, 21,016.98 and 4,150.68 is: 6,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.88 : 21,016.98 = 4,150.68 : x
  2. Step 2: Convert to fraction form
    14,009.88/21,016.98 = 4,150.68/x
  3. Step 3: Cross multiply
    14,009.88x = 21,016.98 × 4,150.68
  4. Step 4: Simplify right side
    14,009.88x = 87,234,758.55
  5. Step 5: Solve for x
    x = 87,234,758.55/14,009.88
  6. Step 6: Final answer
    x = 6,226.66

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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.