Home / 13,568.48-18,724.96-7,601.84

Finding the Fourth Proportional to 13,568.48, 18,724.96 and 7,601.84

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Solution

The fourth proportional to 13,568.48, 18,724.96 and 7,601.84 is: 10,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.48 : 18,724.96 = 7,601.84 : x
  2. Step 2: Convert to fraction form
    13,568.48/18,724.96 = 7,601.84/x
  3. Step 3: Cross multiply
    13,568.48x = 18,724.96 × 7,601.84
  4. Step 4: Simplify right side
    13,568.48x = 142,344,149.93
  5. Step 5: Solve for x
    x = 142,344,149.93/13,568.48
  6. Step 6: Final answer
    x = 10,490.80

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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.