Home / 22,360.86-30,857.77-12,151.78

Finding the Fourth Proportional to 22,360.86, 30,857.77 and 12,151.78

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Solution

The fourth proportional to 22,360.86, 30,857.77 and 12,151.78 is: 16,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.86 : 30,857.77 = 12,151.78 : x
  2. Step 2: Convert to fraction form
    22,360.86/30,857.77 = 12,151.78/x
  3. Step 3: Cross multiply
    22,360.86x = 30,857.77 × 12,151.78
  4. Step 4: Simplify right side
    22,360.86x = 374,977,004.43
  5. Step 5: Solve for x
    x = 374,977,004.43/22,360.86
  6. Step 6: Final answer
    x = 16,769.35

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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.