Home / 14,257.33-21,379.77-5,486.06

Finding the Fourth Proportional to 14,257.33, 21,379.77 and 5,486.06

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Solution

The fourth proportional to 14,257.33, 21,379.77 and 5,486.06 is: 8,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.33 : 21,379.77 = 5,486.06 : x
  2. Step 2: Convert to fraction form
    14,257.33/21,379.77 = 5,486.06/x
  3. Step 3: Cross multiply
    14,257.33x = 21,379.77 × 5,486.06
  4. Step 4: Simplify right side
    14,257.33x = 117,290,754.46
  5. Step 5: Solve for x
    x = 117,290,754.46/14,257.33
  6. Step 6: Final answer
    x = 8,226.70

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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.