Home / 13,584.06-18,743.94-7,614.90

Finding the Fourth Proportional to 13,584.06, 18,743.94 and 7,614.90

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Solution

The fourth proportional to 13,584.06, 18,743.94 and 7,614.90 is: 10,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.06 : 18,743.94 = 7,614.90 : x
  2. Step 2: Convert to fraction form
    13,584.06/18,743.94 = 7,614.90/x
  3. Step 3: Cross multiply
    13,584.06x = 18,743.94 × 7,614.90
  4. Step 4: Simplify right side
    13,584.06x = 142,733,228.71
  5. Step 5: Solve for x
    x = 142,733,228.71/13,584.06
  6. Step 6: Final answer
    x = 10,507.41

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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.