Home / 13,569.44-18,724.64-7,600.32

Finding the Fourth Proportional to 13,569.44, 18,724.64 and 7,600.32

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Solution

The fourth proportional to 13,569.44, 18,724.64 and 7,600.32 is: 10,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.44 : 18,724.64 = 7,600.32 : x
  2. Step 2: Convert to fraction form
    13,569.44/18,724.64 = 7,600.32/x
  3. Step 3: Cross multiply
    13,569.44x = 18,724.64 × 7,600.32
  4. Step 4: Simplify right side
    13,569.44x = 142,313,255.88
  5. Step 5: Solve for x
    x = 142,313,255.88/13,569.44
  6. Step 6: Final answer
    x = 10,487.78

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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.