Home / 33,127.35-45,727.61-19,698.56

Finding the Fourth Proportional to 33,127.35, 45,727.61 and 19,698.56

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Solution

The fourth proportional to 33,127.35, 45,727.61 and 19,698.56 is: 27,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.35 : 45,727.61 = 19,698.56 : x
  2. Step 2: Convert to fraction form
    33,127.35/45,727.61 = 19,698.56/x
  3. Step 3: Cross multiply
    33,127.35x = 45,727.61 × 19,698.56
  4. Step 4: Simplify right side
    33,127.35x = 900,767,742.11
  5. Step 5: Solve for x
    x = 900,767,742.11/33,127.35
  6. Step 6: Final answer
    x = 27,191.06

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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.