Home / 22,146.24-30,561.36-12,210.24

Finding the Fourth Proportional to 22,146.24, 30,561.36 and 12,210.24

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Solution

The fourth proportional to 22,146.24, 30,561.36 and 12,210.24 is: 16,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.24 : 30,561.36 = 12,210.24 : x
  2. Step 2: Convert to fraction form
    22,146.24/30,561.36 = 12,210.24/x
  3. Step 3: Cross multiply
    22,146.24x = 30,561.36 × 12,210.24
  4. Step 4: Simplify right side
    22,146.24x = 373,161,540.33
  5. Step 5: Solve for x
    x = 373,161,540.33/22,146.24
  6. Step 6: Final answer
    x = 16,849.88

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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.