Home / 13,053.12-18,004.32-10,893.66

Finding the Fourth Proportional to 13,053.12, 18,004.32 and 10,893.66

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Solution

The fourth proportional to 13,053.12, 18,004.32 and 10,893.66 is: 15,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.12 : 18,004.32 = 10,893.66 : x
  2. Step 2: Convert to fraction form
    13,053.12/18,004.32 = 10,893.66/x
  3. Step 3: Cross multiply
    13,053.12x = 18,004.32 × 10,893.66
  4. Step 4: Simplify right side
    13,053.12x = 196,132,940.61
  5. Step 5: Solve for x
    x = 196,132,940.61/13,053.12
  6. Step 6: Final answer
    x = 15,025.75

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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.