Home / 15,761.81-23,643.87-4,516.99

Finding the Fourth Proportional to 15,761.81, 23,643.87 and 4,516.99

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Solution

The fourth proportional to 15,761.81, 23,643.87 and 4,516.99 is: 6,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.81 : 23,643.87 = 4,516.99 : x
  2. Step 2: Convert to fraction form
    15,761.81/23,643.87 = 4,516.99/x
  3. Step 3: Cross multiply
    15,761.81x = 23,643.87 × 4,516.99
  4. Step 4: Simplify right side
    15,761.81x = 106,799,048.30
  5. Step 5: Solve for x
    x = 106,799,048.30/15,761.81
  6. Step 6: Final answer
    x = 6,775.81

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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.