Home / 19,938.26-27,518.78-11,446.12

Finding the Fourth Proportional to 19,938.26, 27,518.78 and 11,446.12

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Solution

The fourth proportional to 19,938.26, 27,518.78 and 11,446.12 is: 15,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.26 : 27,518.78 = 11,446.12 : x
  2. Step 2: Convert to fraction form
    19,938.26/27,518.78 = 11,446.12/x
  3. Step 3: Cross multiply
    19,938.26x = 27,518.78 × 11,446.12
  4. Step 4: Simplify right side
    19,938.26x = 314,983,258.13
  5. Step 5: Solve for x
    x = 314,983,258.13/19,938.26
  6. Step 6: Final answer
    x = 15,797.93

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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.