Home / 14,049.89-21,084.84-6,655.98

Finding the Fourth Proportional to 14,049.89, 21,084.84 and 6,655.98

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Solution

The fourth proportional to 14,049.89, 21,084.84 and 6,655.98 is: 9,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.89 : 21,084.84 = 6,655.98 : x
  2. Step 2: Convert to fraction form
    14,049.89/21,084.84 = 6,655.98/x
  3. Step 3: Cross multiply
    14,049.89x = 21,084.84 × 6,655.98
  4. Step 4: Simplify right side
    14,049.89x = 140,340,273.34
  5. Step 5: Solve for x
    x = 140,340,273.34/14,049.89
  6. Step 6: Final answer
    x = 9,988.71

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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.