Home / 13,133.22-18,068.31-11,446.26

Finding the Fourth Proportional to 13,133.22, 18,068.31 and 11,446.26

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Solution

The fourth proportional to 13,133.22, 18,068.31 and 11,446.26 is: 15,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.22 : 18,068.31 = 11,446.26 : x
  2. Step 2: Convert to fraction form
    13,133.22/18,068.31 = 11,446.26/x
  3. Step 3: Cross multiply
    13,133.22x = 18,068.31 × 11,446.26
  4. Step 4: Simplify right side
    13,133.22x = 206,814,574.02
  5. Step 5: Solve for x
    x = 206,814,574.02/13,133.22
  6. Step 6: Final answer
    x = 15,747.44

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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.