Home / 13,407.13-18,481.37-10,569.43

Finding the Fourth Proportional to 13,407.13, 18,481.37 and 10,569.43

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Solution

The fourth proportional to 13,407.13, 18,481.37 and 10,569.43 is: 14,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.13 : 18,481.37 = 10,569.43 : x
  2. Step 2: Convert to fraction form
    13,407.13/18,481.37 = 10,569.43/x
  3. Step 3: Cross multiply
    13,407.13x = 18,481.37 × 10,569.43
  4. Step 4: Simplify right side
    13,407.13x = 195,337,546.52
  5. Step 5: Solve for x
    x = 195,337,546.52/13,407.13
  6. Step 6: Final answer
    x = 14,569.68

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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.