Home / 38,633.92-57,955.74-13,668.10

Finding the Fourth Proportional to 38,633.92, 57,955.74 and 13,668.10

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Solution

The fourth proportional to 38,633.92, 57,955.74 and 13,668.10 is: 20,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.92 : 57,955.74 = 13,668.10 : x
  2. Step 2: Convert to fraction form
    38,633.92/57,955.74 = 13,668.10/x
  3. Step 3: Cross multiply
    38,633.92x = 57,955.74 × 13,668.10
  4. Step 4: Simplify right side
    38,633.92x = 792,144,849.89
  5. Step 5: Solve for x
    x = 792,144,849.89/38,633.92
  6. Step 6: Final answer
    x = 20,503.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.