Home / 20,015.82-27,624.47-19,358.64

Finding the Fourth Proportional to 20,015.82, 27,624.47 and 19,358.64

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Solution

The fourth proportional to 20,015.82, 27,624.47 and 19,358.64 is: 26,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.82 : 27,624.47 = 19,358.64 : x
  2. Step 2: Convert to fraction form
    20,015.82/27,624.47 = 19,358.64/x
  3. Step 3: Cross multiply
    20,015.82x = 27,624.47 × 19,358.64
  4. Step 4: Simplify right side
    20,015.82x = 534,772,073.13
  5. Step 5: Solve for x
    x = 534,772,073.13/20,015.82
  6. Step 6: Final answer
    x = 26,717.47

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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.