Home / 25,402.42-38,033.22-19,143.48

Finding the Fourth Proportional to 25,402.42, 38,033.22 and 19,143.48

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Solution

The fourth proportional to 25,402.42, 38,033.22 and 19,143.48 is: 28,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.42 : 38,033.22 = 19,143.48 : x
  2. Step 2: Convert to fraction form
    25,402.42/38,033.22 = 19,143.48/x
  3. Step 3: Cross multiply
    25,402.42x = 38,033.22 × 19,143.48
  4. Step 4: Simplify right side
    25,402.42x = 728,088,186.41
  5. Step 5: Solve for x
    x = 728,088,186.41/25,402.42
  6. Step 6: Final answer
    x = 28,662.16

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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.