Home / 13,591.83-20,382.87-7,356.45

Finding the Fourth Proportional to 13,591.83, 20,382.87 and 7,356.45

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Solution

The fourth proportional to 13,591.83, 20,382.87 and 7,356.45 is: 11,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.83 : 20,382.87 = 7,356.45 : x
  2. Step 2: Convert to fraction form
    13,591.83/20,382.87 = 7,356.45/x
  3. Step 3: Cross multiply
    13,591.83x = 20,382.87 × 7,356.45
  4. Step 4: Simplify right side
    13,591.83x = 149,945,564.01
  5. Step 5: Solve for x
    x = 149,945,564.01/13,591.83
  6. Step 6: Final answer
    x = 11,032.04

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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.