Home / 21,961.97-30,358.58-19,595.39

Finding the Fourth Proportional to 21,961.97, 30,358.58 and 19,595.39

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Solution

The fourth proportional to 21,961.97, 30,358.58 and 19,595.39 is: 27,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.97 : 30,358.58 = 19,595.39 : x
  2. Step 2: Convert to fraction form
    21,961.97/30,358.58 = 19,595.39/x
  3. Step 3: Cross multiply
    21,961.97x = 30,358.58 × 19,595.39
  4. Step 4: Simplify right side
    21,961.97x = 594,888,225.99
  5. Step 5: Solve for x
    x = 594,888,225.99/21,961.97
  6. Step 6: Final answer
    x = 27,087.20

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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.