Home / 13,640.84-18,833.82-10,504.52

Finding the Fourth Proportional to 13,640.84, 18,833.82 and 10,504.52

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Solution

The fourth proportional to 13,640.84, 18,833.82 and 10,504.52 is: 14,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640.84 : 18,833.82 = 10,504.52 : x
  2. Step 2: Convert to fraction form
    13,640.84/18,833.82 = 10,504.52/x
  3. Step 3: Cross multiply
    13,640.84x = 18,833.82 × 10,504.52
  4. Step 4: Simplify right side
    13,640.84x = 197,840,238.87
  5. Step 5: Solve for x
    x = 197,840,238.87/13,640.84
  6. Step 6: Final answer
    x = 14,503.52

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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.