Home / 19,626.63-27,084.17-11,129.53

Finding the Fourth Proportional to 19,626.63, 27,084.17 and 11,129.53

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Solution

The fourth proportional to 19,626.63, 27,084.17 and 11,129.53 is: 15,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.63 : 27,084.17 = 11,129.53 : x
  2. Step 2: Convert to fraction form
    19,626.63/27,084.17 = 11,129.53/x
  3. Step 3: Cross multiply
    19,626.63x = 27,084.17 × 11,129.53
  4. Step 4: Simplify right side
    19,626.63x = 301,434,082.54
  5. Step 5: Solve for x
    x = 301,434,082.54/19,626.63
  6. Step 6: Final answer
    x = 15,358.42

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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.