Home / 18,110.13-24,992.06-10,561.69

Finding the Fourth Proportional to 18,110.13, 24,992.06 and 10,561.69

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Solution

The fourth proportional to 18,110.13, 24,992.06 and 10,561.69 is: 14,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.13 : 24,992.06 = 10,561.69 : x
  2. Step 2: Convert to fraction form
    18,110.13/24,992.06 = 10,561.69/x
  3. Step 3: Cross multiply
    18,110.13x = 24,992.06 × 10,561.69
  4. Step 4: Simplify right side
    18,110.13x = 263,958,390.18
  5. Step 5: Solve for x
    x = 263,958,390.18/18,110.13
  6. Step 6: Final answer
    x = 14,575.18

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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.