Home / 19,156.69-28,732.60-14,233.51

Finding the Fourth Proportional to 19,156.69, 28,732.60 and 14,233.51

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Solution

The fourth proportional to 19,156.69, 28,732.60 and 14,233.51 is: 21,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.69 : 28,732.60 = 14,233.51 : x
  2. Step 2: Convert to fraction form
    19,156.69/28,732.60 = 14,233.51/x
  3. Step 3: Cross multiply
    19,156.69x = 28,732.60 × 14,233.51
  4. Step 4: Simplify right side
    19,156.69x = 408,965,749.43
  5. Step 5: Solve for x
    x = 408,965,749.43/19,156.69
  6. Step 6: Final answer
    x = 21,348.46

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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.