Home / 17,883.54-26,842.97-13,425.71

Finding the Fourth Proportional to 17,883.54, 26,842.97 and 13,425.71

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Solution

The fourth proportional to 17,883.54, 26,842.97 and 13,425.71 is: 20,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.54 : 26,842.97 = 13,425.71 : x
  2. Step 2: Convert to fraction form
    17,883.54/26,842.97 = 13,425.71/x
  3. Step 3: Cross multiply
    17,883.54x = 26,842.97 × 13,425.71
  4. Step 4: Simplify right side
    17,883.54x = 360,385,830.11
  5. Step 5: Solve for x
    x = 360,385,830.11/17,883.54
  6. Step 6: Final answer
    x = 20,151.82

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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.