Home / 21,396.68-29,527.45-11,706.26

Finding the Fourth Proportional to 21,396.68, 29,527.45 and 11,706.26

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Solution

The fourth proportional to 21,396.68, 29,527.45 and 11,706.26 is: 16,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.68 : 29,527.45 = 11,706.26 : x
  2. Step 2: Convert to fraction form
    21,396.68/29,527.45 = 11,706.26/x
  3. Step 3: Cross multiply
    21,396.68x = 29,527.45 × 11,706.26
  4. Step 4: Simplify right side
    21,396.68x = 345,655,996.03
  5. Step 5: Solve for x
    x = 345,655,996.03/21,396.68
  6. Step 6: Final answer
    x = 16,154.65

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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.