Home / 17,908.92-26,860.90-4,762.36

Finding the Fourth Proportional to 17,908.92, 26,860.90 and 4,762.36

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Solution

The fourth proportional to 17,908.92, 26,860.90 and 4,762.36 is: 7,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.92 : 26,860.90 = 4,762.36 : x
  2. Step 2: Convert to fraction form
    17,908.92/26,860.90 = 4,762.36/x
  3. Step 3: Cross multiply
    17,908.92x = 26,860.90 × 4,762.36
  4. Step 4: Simplify right side
    17,908.92x = 127,921,275.72
  5. Step 5: Solve for x
    x = 127,921,275.72/17,908.92
  6. Step 6: Final answer
    x = 7,142.88

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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.