Home / 18,629.42-25,706.45-10,671.17

Finding the Fourth Proportional to 18,629.42, 25,706.45 and 10,671.17

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Solution

The fourth proportional to 18,629.42, 25,706.45 and 10,671.17 is: 14,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.42 : 25,706.45 = 10,671.17 : x
  2. Step 2: Convert to fraction form
    18,629.42/25,706.45 = 10,671.17/x
  3. Step 3: Cross multiply
    18,629.42x = 25,706.45 × 10,671.17
  4. Step 4: Simplify right side
    18,629.42x = 274,317,844.69
  5. Step 5: Solve for x
    x = 274,317,844.69/18,629.42
  6. Step 6: Final answer
    x = 14,724.98

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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.