Home / 32,668.10-45,081.93-18,520.94

Finding the Fourth Proportional to 32,668.10, 45,081.93 and 18,520.94

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Solution

The fourth proportional to 32,668.10, 45,081.93 and 18,520.94 is: 25,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.10 : 45,081.93 = 18,520.94 : x
  2. Step 2: Convert to fraction form
    32,668.10/45,081.93 = 18,520.94/x
  3. Step 3: Cross multiply
    32,668.10x = 45,081.93 × 18,520.94
  4. Step 4: Simplify right side
    32,668.10x = 834,959,720.61
  5. Step 5: Solve for x
    x = 834,959,720.61/32,668.10
  6. Step 6: Final answer
    x = 25,558.87

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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.