Home / 13,246.39-18,266.01-11,120.44

Finding the Fourth Proportional to 13,246.39, 18,266.01 and 11,120.44

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Solution

The fourth proportional to 13,246.39, 18,266.01 and 11,120.44 is: 15,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.39 : 18,266.01 = 11,120.44 : x
  2. Step 2: Convert to fraction form
    13,246.39/18,266.01 = 11,120.44/x
  3. Step 3: Cross multiply
    13,246.39x = 18,266.01 × 11,120.44
  4. Step 4: Simplify right side
    13,246.39x = 203,126,015.13
  5. Step 5: Solve for x
    x = 203,126,015.13/13,246.39
  6. Step 6: Final answer
    x = 15,334.45

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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.