Home / 33,006.39-45,534.06-19,578.21

Finding the Fourth Proportional to 33,006.39, 45,534.06 and 19,578.21

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Solution

The fourth proportional to 33,006.39, 45,534.06 and 19,578.21 is: 27,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,006.39 : 45,534.06 = 19,578.21 : x
  2. Step 2: Convert to fraction form
    33,006.39/45,534.06 = 19,578.21/x
  3. Step 3: Cross multiply
    33,006.39x = 45,534.06 × 19,578.21
  4. Step 4: Simplify right side
    33,006.39x = 891,475,388.83
  5. Step 5: Solve for x
    x = 891,475,388.83/33,006.39
  6. Step 6: Final answer
    x = 27,009.18

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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.