Home / 19,530.05-26,954.14-11,975.04

Finding the Fourth Proportional to 19,530.05, 26,954.14 and 11,975.04

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Solution

The fourth proportional to 19,530.05, 26,954.14 and 11,975.04 is: 16,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.05 : 26,954.14 = 11,975.04 : x
  2. Step 2: Convert to fraction form
    19,530.05/26,954.14 = 11,975.04/x
  3. Step 3: Cross multiply
    19,530.05x = 26,954.14 × 11,975.04
  4. Step 4: Simplify right side
    19,530.05x = 322,776,874.73
  5. Step 5: Solve for x
    x = 322,776,874.73/19,530.05
  6. Step 6: Final answer
    x = 16,527.20

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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.