Home / 13,250.11-18,263.86-11,019.37

Finding the Fourth Proportional to 13,250.11, 18,263.86 and 11,019.37

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Solution

The fourth proportional to 13,250.11, 18,263.86 and 11,019.37 is: 15,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.11 : 18,263.86 = 11,019.37 : x
  2. Step 2: Convert to fraction form
    13,250.11/18,263.86 = 11,019.37/x
  3. Step 3: Cross multiply
    13,250.11x = 18,263.86 × 11,019.37
  4. Step 4: Simplify right side
    13,250.11x = 201,256,230.97
  5. Step 5: Solve for x
    x = 201,256,230.97/13,250.11
  6. Step 6: Final answer
    x = 15,189.02

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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.