Home / 33,279.14-45,925.20-18,375.14

Finding the Fourth Proportional to 33,279.14, 45,925.20 and 18,375.14

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Solution

The fourth proportional to 33,279.14, 45,925.20 and 18,375.14 is: 25,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.14 : 45,925.20 = 18,375.14 : x
  2. Step 2: Convert to fraction form
    33,279.14/45,925.20 = 18,375.14/x
  3. Step 3: Cross multiply
    33,279.14x = 45,925.20 × 18,375.14
  4. Step 4: Simplify right side
    33,279.14x = 843,881,979.53
  5. Step 5: Solve for x
    x = 843,881,979.53/33,279.14
  6. Step 6: Final answer
    x = 25,357.69

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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.