Home / 14,581.14-21,872.19-4,720.50

Finding the Fourth Proportional to 14,581.14, 21,872.19 and 4,720.50

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Solution

The fourth proportional to 14,581.14, 21,872.19 and 4,720.50 is: 7,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.14 : 21,872.19 = 4,720.50 : x
  2. Step 2: Convert to fraction form
    14,581.14/21,872.19 = 4,720.50/x
  3. Step 3: Cross multiply
    14,581.14x = 21,872.19 × 4,720.50
  4. Step 4: Simplify right side
    14,581.14x = 103,247,672.90
  5. Step 5: Solve for x
    x = 103,247,672.90/14,581.14
  6. Step 6: Final answer
    x = 7,080.91

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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.