Home / 13,201.40-18,217.96-7,232.94

Finding the Fourth Proportional to 13,201.40, 18,217.96 and 7,232.94

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Solution

The fourth proportional to 13,201.40, 18,217.96 and 7,232.94 is: 9,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.40 : 18,217.96 = 7,232.94 : x
  2. Step 2: Convert to fraction form
    13,201.40/18,217.96 = 7,232.94/x
  3. Step 3: Cross multiply
    13,201.40x = 18,217.96 × 7,232.94
  4. Step 4: Simplify right side
    13,201.40x = 131,769,411.60
  5. Step 5: Solve for x
    x = 131,769,411.60/13,201.40
  6. Step 6: Final answer
    x = 9,981.47

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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.