Home / 15,723.64-23,562.28-11,756.28

Finding the Fourth Proportional to 15,723.64, 23,562.28 and 11,756.28

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Solution

The fourth proportional to 15,723.64, 23,562.28 and 11,756.28 is: 17,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.64 : 23,562.28 = 11,756.28 : x
  2. Step 2: Convert to fraction form
    15,723.64/23,562.28 = 11,756.28/x
  3. Step 3: Cross multiply
    15,723.64x = 23,562.28 × 11,756.28
  4. Step 4: Simplify right side
    15,723.64x = 277,004,761.12
  5. Step 5: Solve for x
    x = 277,004,761.12/15,723.64
  6. Step 6: Final answer
    x = 17,617.09

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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.