Home / 19,143.46-26,416.38-10,644.49

Finding the Fourth Proportional to 19,143.46, 26,416.38 and 10,644.49

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Solution

The fourth proportional to 19,143.46, 26,416.38 and 10,644.49 is: 14,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.46 : 26,416.38 = 10,644.49 : x
  2. Step 2: Convert to fraction form
    19,143.46/26,416.38 = 10,644.49/x
  3. Step 3: Cross multiply
    19,143.46x = 26,416.38 × 10,644.49
  4. Step 4: Simplify right side
    19,143.46x = 281,188,892.75
  5. Step 5: Solve for x
    x = 281,188,892.75/19,143.46
  6. Step 6: Final answer
    x = 14,688.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.