Home / 13,083.39-18,056.61-7,342.43

Finding the Fourth Proportional to 13,083.39, 18,056.61 and 7,342.43

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Solution

The fourth proportional to 13,083.39, 18,056.61 and 7,342.43 is: 10,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.39 : 18,056.61 = 7,342.43 : x
  2. Step 2: Convert to fraction form
    13,083.39/18,056.61 = 7,342.43/x
  3. Step 3: Cross multiply
    13,083.39x = 18,056.61 × 7,342.43
  4. Step 4: Simplify right side
    13,083.39x = 132,579,394.96
  5. Step 5: Solve for x
    x = 132,579,394.96/13,083.39
  6. Step 6: Final answer
    x = 10,133.41

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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.