Home / 13,017.51-19,432.04-11,441.12

Finding the Fourth Proportional to 13,017.51, 19,432.04 and 11,441.12

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Solution

The fourth proportional to 13,017.51, 19,432.04 and 11,441.12 is: 17,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.51 : 19,432.04 = 11,441.12 : x
  2. Step 2: Convert to fraction form
    13,017.51/19,432.04 = 11,441.12/x
  3. Step 3: Cross multiply
    13,017.51x = 19,432.04 × 11,441.12
  4. Step 4: Simplify right side
    13,017.51x = 222,324,147.12
  5. Step 5: Solve for x
    x = 222,324,147.12/13,017.51
  6. Step 6: Final answer
    x = 17,078.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.