Home / 13,331.26-20,017.44-11,278.24

Finding the Fourth Proportional to 13,331.26, 20,017.44 and 11,278.24

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Solution

The fourth proportional to 13,331.26, 20,017.44 and 11,278.24 is: 16,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.26 : 20,017.44 = 11,278.24 : x
  2. Step 2: Convert to fraction form
    13,331.26/20,017.44 = 11,278.24/x
  3. Step 3: Cross multiply
    13,331.26x = 20,017.44 × 11,278.24
  4. Step 4: Simplify right side
    13,331.26x = 225,761,492.51
  5. Step 5: Solve for x
    x = 225,761,492.51/13,331.26
  6. Step 6: Final answer
    x = 16,934.75

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1.5x scale

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.