Home / 16,756.46-25,142.89-11,857.58

Finding the Fourth Proportional to 16,756.46, 25,142.89 and 11,857.58

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Solution

The fourth proportional to 16,756.46, 25,142.89 and 11,857.58 is: 17,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.46 : 25,142.89 = 11,857.58 : x
  2. Step 2: Convert to fraction form
    16,756.46/25,142.89 = 11,857.58/x
  3. Step 3: Cross multiply
    16,756.46x = 25,142.89 × 11,857.58
  4. Step 4: Simplify right side
    16,756.46x = 298,133,829.61
  5. Step 5: Solve for x
    x = 298,133,829.61/16,756.46
  6. Step 6: Final answer
    x = 17,792.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.