Home / 22,181.63-30,610.76-12,110.28

Finding the Fourth Proportional to 22,181.63, 30,610.76 and 12,110.28

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Solution

The fourth proportional to 22,181.63, 30,610.76 and 12,110.28 is: 16,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.63 : 30,610.76 = 12,110.28 : x
  2. Step 2: Convert to fraction form
    22,181.63/30,610.76 = 12,110.28/x
  3. Step 3: Cross multiply
    22,181.63x = 30,610.76 × 12,110.28
  4. Step 4: Simplify right side
    22,181.63x = 370,704,814.06
  5. Step 5: Solve for x
    x = 370,704,814.06/22,181.63
  6. Step 6: Final answer
    x = 16,712.25

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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.