Home / 19,142.18-28,771.83-15,876.26

Finding the Fourth Proportional to 19,142.18, 28,771.83 and 15,876.26

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Solution

The fourth proportional to 19,142.18, 28,771.83 and 15,876.26 is: 23,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.18 : 28,771.83 = 15,876.26 : x
  2. Step 2: Convert to fraction form
    19,142.18/28,771.83 = 15,876.26/x
  3. Step 3: Cross multiply
    19,142.18x = 28,771.83 × 15,876.26
  4. Step 4: Simplify right side
    19,142.18x = 456,789,053.76
  5. Step 5: Solve for x
    x = 456,789,053.76/19,142.18
  6. Step 6: Final answer
    x = 23,862.96

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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.