Home / 13,571.44-18,727.40-7,602.32

Finding the Fourth Proportional to 13,571.44, 18,727.40 and 7,602.32

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Solution

The fourth proportional to 13,571.44, 18,727.40 and 7,602.32 is: 10,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.44 : 18,727.40 = 7,602.32 : x
  2. Step 2: Convert to fraction form
    13,571.44/18,727.40 = 7,602.32/x
  3. Step 3: Cross multiply
    13,571.44x = 18,727.40 × 7,602.32
  4. Step 4: Simplify right side
    13,571.44x = 142,371,687.57
  5. Step 5: Solve for x
    x = 142,371,687.57/13,571.44
  6. Step 6: Final answer
    x = 10,490.54

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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.