Home / 14,380.84-21,551.82-7,460.20

Finding the Fourth Proportional to 14,380.84, 21,551.82 and 7,460.20

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Solution

The fourth proportional to 14,380.84, 21,551.82 and 7,460.20 is: 11,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.84 : 21,551.82 = 7,460.20 : x
  2. Step 2: Convert to fraction form
    14,380.84/21,551.82 = 7,460.20/x
  3. Step 3: Cross multiply
    14,380.84x = 21,551.82 × 7,460.20
  4. Step 4: Simplify right side
    14,380.84x = 160,780,887.56
  5. Step 5: Solve for x
    x = 160,780,887.56/14,380.84
  6. Step 6: Final answer
    x = 11,180.22

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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.