Home / 13,617.41-18,792.47-7,650.14

Finding the Fourth Proportional to 13,617.41, 18,792.47 and 7,650.14

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Solution

The fourth proportional to 13,617.41, 18,792.47 and 7,650.14 is: 10,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.41 : 18,792.47 = 7,650.14 : x
  2. Step 2: Convert to fraction form
    13,617.41/18,792.47 = 7,650.14/x
  3. Step 3: Cross multiply
    13,617.41x = 18,792.47 × 7,650.14
  4. Step 4: Simplify right side
    13,617.41x = 143,764,951.61
  5. Step 5: Solve for x
    x = 143,764,951.61/13,617.41
  6. Step 6: Final answer
    x = 10,557.44

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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.