Home / 18,233.63-25,161.77-10,275.38

Finding the Fourth Proportional to 18,233.63, 25,161.77 and 10,275.38

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Solution

The fourth proportional to 18,233.63, 25,161.77 and 10,275.38 is: 14,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.63 : 25,161.77 = 10,275.38 : x
  2. Step 2: Convert to fraction form
    18,233.63/25,161.77 = 10,275.38/x
  3. Step 3: Cross multiply
    18,233.63x = 25,161.77 × 10,275.38
  4. Step 4: Simplify right side
    18,233.63x = 258,546,648.10
  5. Step 5: Solve for x
    x = 258,546,648.10/18,233.63
  6. Step 6: Final answer
    x = 14,179.66

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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.