Home / 22,636.14-31,267.80-18,871.62

Finding the Fourth Proportional to 22,636.14, 31,267.80 and 18,871.62

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Solution

The fourth proportional to 22,636.14, 31,267.80 and 18,871.62 is: 26,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.14 : 31,267.80 = 18,871.62 : x
  2. Step 2: Convert to fraction form
    22,636.14/31,267.80 = 18,871.62/x
  3. Step 3: Cross multiply
    22,636.14x = 31,267.80 × 18,871.62
  4. Step 4: Simplify right side
    22,636.14x = 590,074,039.84
  5. Step 5: Solve for x
    x = 590,074,039.84/22,636.14
  6. Step 6: Final answer
    x = 26,067.79

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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.