Home / 17,965.02-26,950.27-5,315.96

Finding the Fourth Proportional to 17,965.02, 26,950.27 and 5,315.96

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Solution

The fourth proportional to 17,965.02, 26,950.27 and 5,315.96 is: 7,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.02 : 26,950.27 = 5,315.96 : x
  2. Step 2: Convert to fraction form
    17,965.02/26,950.27 = 5,315.96/x
  3. Step 3: Cross multiply
    17,965.02x = 26,950.27 × 5,315.96
  4. Step 4: Simplify right side
    17,965.02x = 143,266,621.36
  5. Step 5: Solve for x
    x = 143,266,621.36/17,965.02
  6. Step 6: Final answer
    x = 7,974.75

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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.