Home / 22,036.96-30,411.12-11,965.78

Finding the Fourth Proportional to 22,036.96, 30,411.12 and 11,965.78

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Solution

The fourth proportional to 22,036.96, 30,411.12 and 11,965.78 is: 16,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.96 : 30,411.12 = 11,965.78 : x
  2. Step 2: Convert to fraction form
    22,036.96/30,411.12 = 11,965.78/x
  3. Step 3: Cross multiply
    22,036.96x = 30,411.12 × 11,965.78
  4. Step 4: Simplify right side
    22,036.96x = 363,892,771.47
  5. Step 5: Solve for x
    x = 363,892,771.47/22,036.96
  6. Step 6: Final answer
    x = 16,512.84

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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.