Home / 25,305.20-37,880.76-19,028.24

Finding the Fourth Proportional to 25,305.20, 37,880.76 and 19,028.24

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Solution

The fourth proportional to 25,305.20, 37,880.76 and 19,028.24 is: 28,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.20 : 37,880.76 = 19,028.24 : x
  2. Step 2: Convert to fraction form
    25,305.20/37,880.76 = 19,028.24/x
  3. Step 3: Cross multiply
    25,305.20x = 37,880.76 × 19,028.24
  4. Step 4: Simplify right side
    25,305.20x = 720,804,192.66
  5. Step 5: Solve for x
    x = 720,804,192.66/25,305.20
  6. Step 6: Final answer
    x = 28,484.43

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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.