Home / 22,194.59-30,637.04-13,698.09

Finding the Fourth Proportional to 22,194.59, 30,637.04 and 13,698.09

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Solution

The fourth proportional to 22,194.59, 30,637.04 and 13,698.09 is: 18,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.59 : 30,637.04 = 13,698.09 : x
  2. Step 2: Convert to fraction form
    22,194.59/30,637.04 = 13,698.09/x
  3. Step 3: Cross multiply
    22,194.59x = 30,637.04 × 13,698.09
  4. Step 4: Simplify right side
    22,194.59x = 419,668,862.76
  5. Step 5: Solve for x
    x = 419,668,862.76/22,194.59
  6. Step 6: Final answer
    x = 18,908.61

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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.