Home / 14,156.25-21,231.05-5,828.01

Finding the Fourth Proportional to 14,156.25, 21,231.05 and 5,828.01

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Solution

The fourth proportional to 14,156.25, 21,231.05 and 5,828.01 is: 8,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.25 : 21,231.05 = 5,828.01 : x
  2. Step 2: Convert to fraction form
    14,156.25/21,231.05 = 5,828.01/x
  3. Step 3: Cross multiply
    14,156.25x = 21,231.05 × 5,828.01
  4. Step 4: Simplify right side
    14,156.25x = 123,734,742.57
  5. Step 5: Solve for x
    x = 123,734,742.57/14,156.25
  6. Step 6: Final answer
    x = 8,740.64

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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.