Home / 13,773.03-19,007.28-8,469.51

Finding the Fourth Proportional to 13,773.03, 19,007.28 and 8,469.51

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Solution

The fourth proportional to 13,773.03, 19,007.28 and 8,469.51 is: 11,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.03 : 19,007.28 = 8,469.51 : x
  2. Step 2: Convert to fraction form
    13,773.03/19,007.28 = 8,469.51/x
  3. Step 3: Cross multiply
    13,773.03x = 19,007.28 × 8,469.51
  4. Step 4: Simplify right side
    13,773.03x = 160,982,348.03
  5. Step 5: Solve for x
    x = 160,982,348.03/13,773.03
  6. Step 6: Final answer
    x = 11,688.23

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1.5x scale

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.