Home / 13,160.15-18,164.25-11,032.31

Finding the Fourth Proportional to 13,160.15, 18,164.25 and 11,032.31

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Solution

The fourth proportional to 13,160.15, 18,164.25 and 11,032.31 is: 15,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.15 : 18,164.25 = 11,032.31 : x
  2. Step 2: Convert to fraction form
    13,160.15/18,164.25 = 11,032.31/x
  3. Step 3: Cross multiply
    13,160.15x = 18,164.25 × 11,032.31
  4. Step 4: Simplify right side
    13,160.15x = 200,393,627.17
  5. Step 5: Solve for x
    x = 200,393,627.17/13,160.15
  6. Step 6: Final answer
    x = 15,227.30

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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.