Home / 33,291.72-45,943.20-18,953.64

Finding the Fourth Proportional to 33,291.72, 45,943.20 and 18,953.64

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Solution

The fourth proportional to 33,291.72, 45,943.20 and 18,953.64 is: 26,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.72 : 45,943.20 = 18,953.64 : x
  2. Step 2: Convert to fraction form
    33,291.72/45,943.20 = 18,953.64/x
  3. Step 3: Cross multiply
    33,291.72x = 45,943.20 × 18,953.64
  4. Step 4: Simplify right side
    33,291.72x = 870,790,873.25
  5. Step 5: Solve for x
    x = 870,790,873.25/33,291.72
  6. Step 6: Final answer
    x = 26,156.38

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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.