Home / 21,096.84-29,113.14-11,536.32

Finding the Fourth Proportional to 21,096.84, 29,113.14 and 11,536.32

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Solution

The fourth proportional to 21,096.84, 29,113.14 and 11,536.32 is: 15,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.84 : 29,113.14 = 11,536.32 : x
  2. Step 2: Convert to fraction form
    21,096.84/29,113.14 = 11,536.32/x
  3. Step 3: Cross multiply
    21,096.84x = 29,113.14 × 11,536.32
  4. Step 4: Simplify right side
    21,096.84x = 335,858,499.24
  5. Step 5: Solve for x
    x = 335,858,499.24/21,096.84
  6. Step 6: Final answer
    x = 15,919.85

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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.