Home / 13,724.15-18,941.58-10,361.70

Finding the Fourth Proportional to 13,724.15, 18,941.58 and 10,361.70

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Solution

The fourth proportional to 13,724.15, 18,941.58 and 10,361.70 is: 14,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.15 : 18,941.58 = 10,361.70 : x
  2. Step 2: Convert to fraction form
    13,724.15/18,941.58 = 10,361.70/x
  3. Step 3: Cross multiply
    13,724.15x = 18,941.58 × 10,361.70
  4. Step 4: Simplify right side
    13,724.15x = 196,266,969.49
  5. Step 5: Solve for x
    x = 196,266,969.49/13,724.15
  6. Step 6: Final answer
    x = 14,300.85

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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.