Home / 13,563.56-18,716.78-7,595.18

Finding the Fourth Proportional to 13,563.56, 18,716.78 and 7,595.18

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Solution

The fourth proportional to 13,563.56, 18,716.78 and 7,595.18 is: 10,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.56 : 18,716.78 = 7,595.18 : x
  2. Step 2: Convert to fraction form
    13,563.56/18,716.78 = 7,595.18/x
  3. Step 3: Cross multiply
    13,563.56x = 18,716.78 × 7,595.18
  4. Step 4: Simplify right side
    13,563.56x = 142,157,313.12
  5. Step 5: Solve for x
    x = 142,157,313.12/13,563.56
  6. Step 6: Final answer
    x = 10,480.83

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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.