Home / 19,125.24-28,687.86-5,274.36

Finding the Fourth Proportional to 19,125.24, 28,687.86 and 5,274.36

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Solution

The fourth proportional to 19,125.24, 28,687.86 and 5,274.36 is: 7,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.24 : 28,687.86 = 5,274.36 : x
  2. Step 2: Convert to fraction form
    19,125.24/28,687.86 = 5,274.36/x
  3. Step 3: Cross multiply
    19,125.24x = 28,687.86 × 5,274.36
  4. Step 4: Simplify right side
    19,125.24x = 151,310,101.27
  5. Step 5: Solve for x
    x = 151,310,101.27/19,125.24
  6. Step 6: Final answer
    x = 7,911.54

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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.