Home / 13,571.24-18,728.83-7,602.95

Finding the Fourth Proportional to 13,571.24, 18,728.83 and 7,602.95

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Solution

The fourth proportional to 13,571.24, 18,728.83 and 7,602.95 is: 10,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.24 : 18,728.83 = 7,602.95 : x
  2. Step 2: Convert to fraction form
    13,571.24/18,728.83 = 7,602.95/x
  3. Step 3: Cross multiply
    13,571.24x = 18,728.83 × 7,602.95
  4. Step 4: Simplify right side
    13,571.24x = 142,394,358.05
  5. Step 5: Solve for x
    x = 142,394,358.05/13,571.24
  6. Step 6: Final answer
    x = 10,492.36

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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.