Home / 13,095.12-18,078.12-10,104.48

Finding the Fourth Proportional to 13,095.12, 18,078.12 and 10,104.48

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Solution

The fourth proportional to 13,095.12, 18,078.12 and 10,104.48 is: 13,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.12 : 18,078.12 = 10,104.48 : x
  2. Step 2: Convert to fraction form
    13,095.12/18,078.12 = 10,104.48/x
  3. Step 3: Cross multiply
    13,095.12x = 18,078.12 × 10,104.48
  4. Step 4: Simplify right side
    13,095.12x = 182,670,001.98
  5. Step 5: Solve for x
    x = 182,670,001.98/13,095.12
  6. Step 6: Final answer
    x = 13,949.47

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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.