Home / 17,188.43-25,665.05-15,397.93

Finding the Fourth Proportional to 17,188.43, 25,665.05 and 15,397.93

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Solution

The fourth proportional to 17,188.43, 25,665.05 and 15,397.93 is: 22,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.43 : 25,665.05 = 15,397.93 : x
  2. Step 2: Convert to fraction form
    17,188.43/25,665.05 = 15,397.93/x
  3. Step 3: Cross multiply
    17,188.43x = 25,665.05 × 15,397.93
  4. Step 4: Simplify right side
    17,188.43x = 395,188,482.94
  5. Step 5: Solve for x
    x = 395,188,482.94/17,188.43
  6. Step 6: Final answer
    x = 22,991.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.