Home / 13,563.87-18,718.47-7,596.81

Finding the Fourth Proportional to 13,563.87, 18,718.47 and 7,596.81

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Solution

The fourth proportional to 13,563.87, 18,718.47 and 7,596.81 is: 10,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.87 : 18,718.47 = 7,596.81 : x
  2. Step 2: Convert to fraction form
    13,563.87/18,718.47 = 7,596.81/x
  3. Step 3: Cross multiply
    13,563.87x = 18,718.47 × 7,596.81
  4. Step 4: Simplify right side
    13,563.87x = 142,200,660.08
  5. Step 5: Solve for x
    x = 142,200,660.08/13,563.87
  6. Step 6: Final answer
    x = 10,483.78

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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.