Home / 19,156.28-28,757.91-15,022.58

Finding the Fourth Proportional to 19,156.28, 28,757.91 and 15,022.58

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Solution

The fourth proportional to 19,156.28, 28,757.91 and 15,022.58 is: 22,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.28 : 28,757.91 = 15,022.58 : x
  2. Step 2: Convert to fraction form
    19,156.28/28,757.91 = 15,022.58/x
  3. Step 3: Cross multiply
    19,156.28x = 28,757.91 × 15,022.58
  4. Step 4: Simplify right side
    19,156.28x = 432,017,859.82
  5. Step 5: Solve for x
    x = 432,017,859.82/19,156.28
  6. Step 6: Final answer
    x = 22,552.29

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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.