Home / 22,250.13-30,704.91-12,178.49

Finding the Fourth Proportional to 22,250.13, 30,704.91 and 12,178.49

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Solution

The fourth proportional to 22,250.13, 30,704.91 and 12,178.49 is: 16,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.13 : 30,704.91 = 12,178.49 : x
  2. Step 2: Convert to fraction form
    22,250.13/30,704.91 = 12,178.49/x
  3. Step 3: Cross multiply
    22,250.13x = 30,704.91 × 12,178.49
  4. Step 4: Simplify right side
    22,250.13x = 373,939,285.86
  5. Step 5: Solve for x
    x = 373,939,285.86/22,250.13
  6. Step 6: Final answer
    x = 16,806.16

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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.