Home / 22,872.09-31,564.46-14,142.66

Finding the Fourth Proportional to 22,872.09, 31,564.46 and 14,142.66

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Solution

The fourth proportional to 22,872.09, 31,564.46 and 14,142.66 is: 19,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.09 : 31,564.46 = 14,142.66 : x
  2. Step 2: Convert to fraction form
    22,872.09/31,564.46 = 14,142.66/x
  3. Step 3: Cross multiply
    22,872.09x = 31,564.46 × 14,142.66
  4. Step 4: Simplify right side
    22,872.09x = 446,405,425.86
  5. Step 5: Solve for x
    x = 446,405,425.86/22,872.09
  6. Step 6: Final answer
    x = 19,517.47

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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.