Home / 13,823.66-19,076.65-7,536.03

Finding the Fourth Proportional to 13,823.66, 19,076.65 and 7,536.03

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Solution

The fourth proportional to 13,823.66, 19,076.65 and 7,536.03 is: 10,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.66 : 19,076.65 = 7,536.03 : x
  2. Step 2: Convert to fraction form
    13,823.66/19,076.65 = 7,536.03/x
  3. Step 3: Cross multiply
    13,823.66x = 19,076.65 × 7,536.03
  4. Step 4: Simplify right side
    13,823.66x = 143,762,169.02
  5. Step 5: Solve for x
    x = 143,762,169.02/13,823.66
  6. Step 6: Final answer
    x = 10,399.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.