Home / 38,633.84-57,955.35-13,668.74

Finding the Fourth Proportional to 38,633.84, 57,955.35 and 13,668.74

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Solution

The fourth proportional to 38,633.84, 57,955.35 and 13,668.74 is: 20,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.84 : 57,955.35 = 13,668.74 : x
  2. Step 2: Convert to fraction form
    38,633.84/57,955.35 = 13,668.74/x
  3. Step 3: Cross multiply
    38,633.84x = 57,955.35 × 13,668.74
  4. Step 4: Simplify right side
    38,633.84x = 792,176,610.76
  5. Step 5: Solve for x
    x = 792,176,610.76/38,633.84
  6. Step 6: Final answer
    x = 20,504.73

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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.