Home / 17,795.76-26,694.90-5,315.64

Finding the Fourth Proportional to 17,795.76, 26,694.90 and 5,315.64

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Solution

The fourth proportional to 17,795.76, 26,694.90 and 5,315.64 is: 7,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,795.76 : 26,694.90 = 5,315.64 : x
  2. Step 2: Convert to fraction form
    17,795.76/26,694.90 = 5,315.64/x
  3. Step 3: Cross multiply
    17,795.76x = 26,694.90 × 5,315.64
  4. Step 4: Simplify right side
    17,795.76x = 141,900,478.24
  5. Step 5: Solve for x
    x = 141,900,478.24/17,795.76
  6. Step 6: Final answer
    x = 7,973.84

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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.