Home / 17,142.39-25,715.40-4,662.61

Finding the Fourth Proportional to 17,142.39, 25,715.40 and 4,662.61

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Solution

The fourth proportional to 17,142.39, 25,715.40 and 4,662.61 is: 6,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.39 : 25,715.40 = 4,662.61 : x
  2. Step 2: Convert to fraction form
    17,142.39/25,715.40 = 4,662.61/x
  3. Step 3: Cross multiply
    17,142.39x = 25,715.40 × 4,662.61
  4. Step 4: Simplify right side
    17,142.39x = 119,900,881.19
  5. Step 5: Solve for x
    x = 119,900,881.19/17,142.39
  6. Step 6: Final answer
    x = 6,994.41

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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.