Home / 13,563.45-18,716.67-7,593.75

Finding the Fourth Proportional to 13,563.45, 18,716.67 and 7,593.75

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Solution

The fourth proportional to 13,563.45, 18,716.67 and 7,593.75 is: 10,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.45 : 18,716.67 = 7,593.75 : x
  2. Step 2: Convert to fraction form
    13,563.45/18,716.67 = 7,593.75/x
  3. Step 3: Cross multiply
    13,563.45x = 18,716.67 × 7,593.75
  4. Step 4: Simplify right side
    13,563.45x = 142,129,712.81
  5. Step 5: Solve for x
    x = 142,129,712.81/13,563.45
  6. Step 6: Final answer
    x = 10,478.88

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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.