Home / 15,693.72-23,537.98-5,163.87

Finding the Fourth Proportional to 15,693.72, 23,537.98 and 5,163.87

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Solution

The fourth proportional to 15,693.72, 23,537.98 and 5,163.87 is: 7,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.72 : 23,537.98 = 5,163.87 : x
  2. Step 2: Convert to fraction form
    15,693.72/23,537.98 = 5,163.87/x
  3. Step 3: Cross multiply
    15,693.72x = 23,537.98 × 5,163.87
  4. Step 4: Simplify right side
    15,693.72x = 121,547,127.63
  5. Step 5: Solve for x
    x = 121,547,127.63/15,693.72
  6. Step 6: Final answer
    x = 7,744.95

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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.