Home / 13,481.43-18,542.70-10,823.01

Finding the Fourth Proportional to 13,481.43, 18,542.70 and 10,823.01

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Solution

The fourth proportional to 13,481.43, 18,542.70 and 10,823.01 is: 14,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.43 : 18,542.70 = 10,823.01 : x
  2. Step 2: Convert to fraction form
    13,481.43/18,542.70 = 10,823.01/x
  3. Step 3: Cross multiply
    13,481.43x = 18,542.70 × 10,823.01
  4. Step 4: Simplify right side
    13,481.43x = 200,687,827.53
  5. Step 5: Solve for x
    x = 200,687,827.53/13,481.43
  6. Step 6: Final answer
    x = 14,886.24

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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.