Home / 33,095.72-45,671.28-18,947.36

Finding the Fourth Proportional to 33,095.72, 45,671.28 and 18,947.36

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Solution

The fourth proportional to 33,095.72, 45,671.28 and 18,947.36 is: 26,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,095.72 : 45,671.28 = 18,947.36 : x
  2. Step 2: Convert to fraction form
    33,095.72/45,671.28 = 18,947.36/x
  3. Step 3: Cross multiply
    33,095.72x = 45,671.28 × 18,947.36
  4. Step 4: Simplify right side
    33,095.72x = 865,350,183.82
  5. Step 5: Solve for x
    x = 865,350,183.82/33,095.72
  6. Step 6: Final answer
    x = 26,146.89

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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.