Home / 32,640.21-45,043.09-18,299.97

Finding the Fourth Proportional to 32,640.21, 45,043.09 and 18,299.97

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Solution

The fourth proportional to 32,640.21, 45,043.09 and 18,299.97 is: 25,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.21 : 45,043.09 = 18,299.97 : x
  2. Step 2: Convert to fraction form
    32,640.21/45,043.09 = 18,299.97/x
  3. Step 3: Cross multiply
    32,640.21x = 45,043.09 × 18,299.97
  4. Step 4: Simplify right side
    32,640.21x = 824,287,195.71
  5. Step 5: Solve for x
    x = 824,287,195.71/32,640.21
  6. Step 6: Final answer
    x = 25,253.73

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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.