Home / 18,322.11-25,285.13-10,768.33

Finding the Fourth Proportional to 18,322.11, 25,285.13 and 10,768.33

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Solution

The fourth proportional to 18,322.11, 25,285.13 and 10,768.33 is: 14,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.11 : 25,285.13 = 10,768.33 : x
  2. Step 2: Convert to fraction form
    18,322.11/25,285.13 = 10,768.33/x
  3. Step 3: Cross multiply
    18,322.11x = 25,285.13 × 10,768.33
  4. Step 4: Simplify right side
    18,322.11x = 272,278,682.46
  5. Step 5: Solve for x
    x = 272,278,682.46/18,322.11
  6. Step 6: Final answer
    x = 14,860.66

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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.