Home / 19,894.82-27,455.56-10,943.02

Finding the Fourth Proportional to 19,894.82, 27,455.56 and 10,943.02

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Solution

The fourth proportional to 19,894.82, 27,455.56 and 10,943.02 is: 15,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.82 : 27,455.56 = 10,943.02 : x
  2. Step 2: Convert to fraction form
    19,894.82/27,455.56 = 10,943.02/x
  3. Step 3: Cross multiply
    19,894.82x = 27,455.56 × 10,943.02
  4. Step 4: Simplify right side
    19,894.82x = 300,446,742.19
  5. Step 5: Solve for x
    x = 300,446,742.19/19,894.82
  6. Step 6: Final answer
    x = 15,101.76

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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.