Home / 13,563.28-18,716.99-7,595.33

Finding the Fourth Proportional to 13,563.28, 18,716.99 and 7,595.33

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Solution

The fourth proportional to 13,563.28, 18,716.99 and 7,595.33 is: 10,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.28 : 18,716.99 = 7,595.33 : x
  2. Step 2: Convert to fraction form
    13,563.28/18,716.99 = 7,595.33/x
  3. Step 3: Cross multiply
    13,563.28x = 18,716.99 × 7,595.33
  4. Step 4: Simplify right side
    13,563.28x = 142,161,715.66
  5. Step 5: Solve for x
    x = 142,161,715.66/13,563.28
  6. Step 6: Final answer
    x = 10,481.37

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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.