Home / 32,640.03-45,042.82-18,299.79

Finding the Fourth Proportional to 32,640.03, 45,042.82 and 18,299.79

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Solution

The fourth proportional to 32,640.03, 45,042.82 and 18,299.79 is: 25,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.03 : 45,042.82 = 18,299.79 : x
  2. Step 2: Convert to fraction form
    32,640.03/45,042.82 = 18,299.79/x
  3. Step 3: Cross multiply
    32,640.03x = 45,042.82 × 18,299.79
  4. Step 4: Simplify right side
    32,640.03x = 824,274,147.01
  5. Step 5: Solve for x
    x = 824,274,147.01/32,640.03
  6. Step 6: Final answer
    x = 25,253.47

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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.