Home / 13,475.57-20,194.81-6,887.97

Finding the Fourth Proportional to 13,475.57, 20,194.81 and 6,887.97

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Solution

The fourth proportional to 13,475.57, 20,194.81 and 6,887.97 is: 10,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.57 : 20,194.81 = 6,887.97 : x
  2. Step 2: Convert to fraction form
    13,475.57/20,194.81 = 6,887.97/x
  3. Step 3: Cross multiply
    13,475.57x = 20,194.81 × 6,887.97
  4. Step 4: Simplify right side
    13,475.57x = 139,101,228.22
  5. Step 5: Solve for x
    x = 139,101,228.22/13,475.57
  6. Step 6: Final answer
    x = 10,322.48

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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.