Home / 33,279.57-45,925.89-18,172.35

Finding the Fourth Proportional to 33,279.57, 45,925.89 and 18,172.35

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Solution

The fourth proportional to 33,279.57, 45,925.89 and 18,172.35 is: 25,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.57 : 45,925.89 = 18,172.35 : x
  2. Step 2: Convert to fraction form
    33,279.57/45,925.89 = 18,172.35/x
  3. Step 3: Cross multiply
    33,279.57x = 45,925.89 × 18,172.35
  4. Step 4: Simplify right side
    33,279.57x = 834,581,347.14
  5. Step 5: Solve for x
    x = 834,581,347.14/33,279.57
  6. Step 6: Final answer
    x = 25,077.89

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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.