Home / 14,084.88-21,119.48-5,770.72

Finding the Fourth Proportional to 14,084.88, 21,119.48 and 5,770.72

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Solution

The fourth proportional to 14,084.88, 21,119.48 and 5,770.72 is: 8,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.88 : 21,119.48 = 5,770.72 : x
  2. Step 2: Convert to fraction form
    14,084.88/21,119.48 = 5,770.72/x
  3. Step 3: Cross multiply
    14,084.88x = 21,119.48 × 5,770.72
  4. Step 4: Simplify right side
    14,084.88x = 121,874,605.63
  5. Step 5: Solve for x
    x = 121,874,605.63/14,084.88
  6. Step 6: Final answer
    x = 8,652.87

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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.