Home / 33,272.57-45,914.55-18,931.07

Finding the Fourth Proportional to 33,272.57, 45,914.55 and 18,931.07

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Solution

The fourth proportional to 33,272.57, 45,914.55 and 18,931.07 is: 26,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.57 : 45,914.55 = 18,931.07 : x
  2. Step 2: Convert to fraction form
    33,272.57/45,914.55 = 18,931.07/x
  3. Step 3: Cross multiply
    33,272.57x = 45,914.55 × 18,931.07
  4. Step 4: Simplify right side
    33,272.57x = 869,211,560.07
  5. Step 5: Solve for x
    x = 869,211,560.07/33,272.57
  6. Step 6: Final answer
    x = 26,123.97

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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.