Home / 14,051.44-21,073.28-5,281.56

Finding the Fourth Proportional to 14,051.44, 21,073.28 and 5,281.56

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Solution

The fourth proportional to 14,051.44, 21,073.28 and 5,281.56 is: 7,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.44 : 21,073.28 = 5,281.56 : x
  2. Step 2: Convert to fraction form
    14,051.44/21,073.28 = 5,281.56/x
  3. Step 3: Cross multiply
    14,051.44x = 21,073.28 × 5,281.56
  4. Step 4: Simplify right side
    14,051.44x = 111,299,792.72
  5. Step 5: Solve for x
    x = 111,299,792.72/14,051.44
  6. Step 6: Final answer
    x = 7,920.88

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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.