Home / 21,272.42-29,396.41-15,958.01

Finding the Fourth Proportional to 21,272.42, 29,396.41 and 15,958.01

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Solution

The fourth proportional to 21,272.42, 29,396.41 and 15,958.01 is: 22,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272.42 : 29,396.41 = 15,958.01 : x
  2. Step 2: Convert to fraction form
    21,272.42/29,396.41 = 15,958.01/x
  3. Step 3: Cross multiply
    21,272.42x = 29,396.41 × 15,958.01
  4. Step 4: Simplify right side
    21,272.42x = 469,108,204.74
  5. Step 5: Solve for x
    x = 469,108,204.74/21,272.42
  6. Step 6: Final answer
    x = 22,052.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.