Home / 14,122.90-21,171.27-5,233.28

Finding the Fourth Proportional to 14,122.90, 21,171.27 and 5,233.28

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Solution

The fourth proportional to 14,122.90, 21,171.27 and 5,233.28 is: 7,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.90 : 21,171.27 = 5,233.28 : x
  2. Step 2: Convert to fraction form
    14,122.90/21,171.27 = 5,233.28/x
  3. Step 3: Cross multiply
    14,122.90x = 21,171.27 × 5,233.28
  4. Step 4: Simplify right side
    14,122.90x = 110,795,051.84
  5. Step 5: Solve for x
    x = 110,795,051.84/14,122.90
  6. Step 6: Final answer
    x = 7,845.07

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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.