Home / 33,279.84-45,925.94-18,172.45

Finding the Fourth Proportional to 33,279.84, 45,925.94 and 18,172.45

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Solution

The fourth proportional to 33,279.84, 45,925.94 and 18,172.45 is: 25,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.84 : 45,925.94 = 18,172.45 : x
  2. Step 2: Convert to fraction form
    33,279.84/45,925.94 = 18,172.45/x
  3. Step 3: Cross multiply
    33,279.84x = 45,925.94 × 18,172.45
  4. Step 4: Simplify right side
    33,279.84x = 834,586,848.97
  5. Step 5: Solve for x
    x = 834,586,848.97/33,279.84
  6. Step 6: Final answer
    x = 25,077.85

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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.