Home / 32,640.08-45,043.20-18,495.62

Finding the Fourth Proportional to 32,640.08, 45,043.20 and 18,495.62

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Solution

The fourth proportional to 32,640.08, 45,043.20 and 18,495.62 is: 25,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.08 : 45,043.20 = 18,495.62 : x
  2. Step 2: Convert to fraction form
    32,640.08/45,043.20 = 18,495.62/x
  3. Step 3: Cross multiply
    32,640.08x = 45,043.20 × 18,495.62
  4. Step 4: Simplify right side
    32,640.08x = 833,101,910.78
  5. Step 5: Solve for x
    x = 833,101,910.78/32,640.08
  6. Step 6: Final answer
    x = 25,523.89

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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.